4126720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 96

約数和(自身を含む): 11007360

約数和(自身を除く): 6880640

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, 4160, 4960, 5120, 6448, 6656, 7936, 8060, 8320, 9920, 10240, 12896, 13312, 15872, 16120, 16640, 19840, 25792, 26624, 31744, 32240, 33280, 39680, 51584, 63488, 64480, 66560, 79360, 103168, 128960, 133120, 158720, 206336, 257920, 317440, 412672, 515840, 825344, 1031680, 2063360, 4126720]

約数ペア:

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