138200860520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{21196451}}^1$

素因数の和:21196625

約数の個数: 32

約数和(自身を含む): 312859631520

約数和(自身を除く): 174658771000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 21196451, 42392902, 84785804, 105982255, 169571608, 211964510, 423929020, 847858040, 3455021513, 6910043026, 13820086052, 17275107565, 27640172104, 34550215130, 69100430260, 138200860520]

約数ペア:

[(1, 138200860520), (2, 69100430260), (4, 34550215130), (5, 27640172104), (8, 17275107565), (10, 13820086052), (20, 6910043026), (40, 3455021513), (163, 847858040), (326, 423929020), (652, 211964510), (815, 169571608), (1304, 105982255), (1630, 84785804), (3260, 42392902), (6520, 21196451)]