2020648640

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{88937}}^1$

素因数の和:89025

約数の個数: 56

約数和(自身を含む): 4879494432

約数和(自身を除く): 2858845792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11360, 22720, 88937, 177874, 355748, 444685, 711496, 889370, 1422992, 1778740, 2845984, 3557480, 5691968, 6314527, 7114960, 12629054, 14229920, 25258108, 28459840, 31572635, 50516216, 63145270, 101032432, 126290540, 202064864, 252581080, 404129728, 505162160, 1010324320, 2020648640]

約数ペア:

[(1, 2020648640), (2, 1010324320), (4, 505162160), (5, 404129728), (8, 252581080), (10, 202064864), (16, 126290540), (20, 101032432), (32, 63145270), (40, 50516216), (64, 31572635), (71, 28459840), (80, 25258108), (142, 14229920), (160, 12629054), (284, 7114960), (320, 6314527), (355, 5691968), (568, 3557480), (710, 2845984), (1136, 1778740), (1420, 1422992), (2272, 889370), (2840, 711496), (4544, 444685), (5680, 355748), (11360, 177874), (22720, 88937)]