16156624640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{31321}}^1$

素因数の和:31386

約数の個数: 144

約数和(自身を含む): 43022896896

約数和(自身を除く): 26866272256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 3224, 3328, 3968, 4030, 4160, 4960, 6448, 7936, 8060, 8320, 9920, 12896, 16120, 16640, 19840, 25792, 31321, 32240, 39680, 51584, 62642, 64480, 103168, 125284, 128960, 156605, 250568, 257920, 313210, 407173, 501136, 515840, 626420, 814346, 970951, 1002272, 1252840, 1628692, 1941902, 2004544, 2035865, 2505680, 3257384, 3883804, 4009088, 4071730, 4854755, 5011360, 6514768, 7767608, 8018176, 8143460, 9709510, 10022720, 12622363, 13029536, 15535216, 16286920, 19419020, 20045440, 25244726, 26059072, 31070432, 32573840, 38838040, 40090880, 50489452, 52118144, 62140864, 63111815, 65147680, 77676080, 100978904, 104236288, 124281728, 126223630, 130295360, 155352160, 201957808, 248563456, 252447260, 260590720, 310704320, 403915616, 504894520, 521181440, 621408640, 807831232, 1009789040, 1242817280, 1615662464, 2019578080, 3231324928, 4039156160, 8078312320, 16156624640]

約数ペア:

[(1, 16156624640), (2, 8078312320), (4, 4039156160), (5, 3231324928), (8, 2019578080), (10, 1615662464), (13, 1242817280), (16, 1009789040), (20, 807831232), (26, 621408640), (31, 521181440), (32, 504894520), (40, 403915616), (52, 310704320), (62, 260590720), (64, 252447260), (65, 248563456), (80, 201957808), (104, 155352160), (124, 130295360), (128, 126223630), (130, 124281728), (155, 104236288), (160, 100978904), (208, 77676080), (248, 65147680), (256, 63111815), (260, 62140864), (310, 52118144), (320, 50489452), (403, 40090880), (416, 38838040), (496, 32573840), (520, 31070432), (620, 26059072), (640, 25244726), (806, 20045440), (832, 19419020), (992, 16286920), (1040, 15535216), (1240, 13029536), (1280, 12622363), (1612, 10022720), (1664, 9709510), (1984, 8143460), (2015, 8018176), (2080, 7767608), (2480, 6514768), (3224, 5011360), (3328, 4854755), (3968, 4071730), (4030, 4009088), (4160, 3883804), (4960, 3257384), (6448, 2505680), (7936, 2035865), (8060, 2004544), (8320, 1941902), (9920, 1628692), (12896, 1252840), (16120, 1002272), (16640, 970951), (19840, 814346), (25792, 626420), (31321, 515840), (32240, 501136), (39680, 407173), (51584, 313210), (62642, 257920), (64480, 250568), (103168, 156605), (125284, 128960)]