2495377820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{11173}}^1$

素因数の和:12054

約数の個数: 48

約数和(自身を含む): 5650468320

約数和(自身を除く): 3155090500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 859, 1718, 3436, 4295, 8590, 11167, 11173, 17180, 22334, 22346, 44668, 44692, 55835, 55865, 111670, 111730, 145249, 223340, 223460, 290498, 580996, 726245, 1452490, 2904980, 9597607, 19195214, 38390428, 47988035, 95976070, 124768891, 191952140, 249537782, 499075564, 623844455, 1247688910, 2495377820]

約数ペア:

[(1, 2495377820), (2, 1247688910), (4, 623844455), (5, 499075564), (10, 249537782), (13, 191952140), (20, 124768891), (26, 95976070), (52, 47988035), (65, 38390428), (130, 19195214), (260, 9597607), (859, 2904980), (1718, 1452490), (3436, 726245), (4295, 580996), (8590, 290498), (11167, 223460), (11173, 223340), (17180, 145249), (22334, 111730), (22346, 111670), (44668, 55865), (44692, 55835)]