8253440

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 104

約数和(自身を含む): 22017408

約数和(自身を除く): 13763968

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, 512, 520, 620, 640, 806, 832, 992, 1024, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2048, 2080, 2480, 2560, 3224, 3328, 3968, 4030, 4096, 4160, 4960, 5120, 6448, 6656, 7936, 8060, 8320, 9920, 10240, 12896, 13312, 15872, 16120, 16640, 19840, 20480, 25792, 26624, 31744, 32240, 33280, 39680, 51584, 53248, 63488, 64480, 66560, 79360, 103168, 126976, 128960, 133120, 158720, 206336, 257920, 266240, 317440, 412672, 515840, 634880, 825344, 1031680, 1650688, 2063360, 4126720, 8253440]

約数ペア:

[(1, 8253440), (2, 4126720), (4, 2063360), (5, 1650688), (8, 1031680), (10, 825344), (13, 634880), (16, 515840), (20, 412672), (26, 317440), (31, 266240), (32, 257920), (40, 206336), (52, 158720), (62, 133120), (64, 128960), (65, 126976), (80, 103168), (104, 79360), (124, 66560), (128, 64480), (130, 63488), (155, 53248), (160, 51584), (208, 39680), (248, 33280), (256, 32240), (260, 31744), (310, 26624), (320, 25792), (403, 20480), (416, 19840), (496, 16640), (512, 16120), (520, 15872), (620, 13312), (640, 12896), (806, 10240), (832, 9920), (992, 8320), (1024, 8060), (1040, 7936), (1240, 6656), (1280, 6448), (1612, 5120), (1664, 4960), (1984, 4160), (2015, 4096), (2048, 4030), (2080, 3968), (2480, 3328), (2560, 3224)]