2012247640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{5981}}^1$

素因数の和:6652

約数の個数: 64

約数和(自身を含む): 4884183360

約数和(自身を除く): 2871935720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 647, 1294, 2588, 3235, 5176, 5981, 6470, 8411, 11962, 12940, 16822, 23924, 25880, 29905, 33644, 42055, 47848, 59810, 67288, 77753, 84110, 119620, 155506, 168220, 239240, 311012, 336440, 388765, 622024, 777530, 1555060, 3110120, 3869707, 7739414, 15478828, 19348535, 30957656, 38697070, 50306191, 77394140, 100612382, 154788280, 201224764, 251530955, 402449528, 503061910, 1006123820, 2012247640]

約数ペア:

[(1, 2012247640), (2, 1006123820), (4, 503061910), (5, 402449528), (8, 251530955), (10, 201224764), (13, 154788280), (20, 100612382), (26, 77394140), (40, 50306191), (52, 38697070), (65, 30957656), (104, 19348535), (130, 15478828), (260, 7739414), (520, 3869707), (647, 3110120), (1294, 1555060), (2588, 777530), (3235, 622024), (5176, 388765), (5981, 336440), (6470, 311012), (8411, 239240), (11962, 168220), (12940, 155506), (16822, 119620), (23924, 84110), (25880, 77753), (29905, 67288), (33644, 59810), (42055, 47848)]