2040451088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{77243}}^1$

素因数の和:77391

約数の個数: 40

約数和(自身を含む): 4291058688

約数和(自身を除く): 2250607600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1651, 2032, 3302, 6604, 13208, 26416, 77243, 154486, 308972, 617944, 1004159, 1235888, 2008318, 4016636, 8033272, 9809861, 16066544, 19619722, 39239444, 78478888, 127528193, 156957776, 255056386, 510112772, 1020225544, 2040451088]

約数ペア:

[(1, 2040451088), (2, 1020225544), (4, 510112772), (8, 255056386), (13, 156957776), (16, 127528193), (26, 78478888), (52, 39239444), (104, 19619722), (127, 16066544), (208, 9809861), (254, 8033272), (508, 4016636), (1016, 2008318), (1651, 1235888), (2032, 1004159), (3302, 617944), (6604, 308972), (13208, 154486), (26416, 77243)]