31351420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{163}}^2$

素因数の和:394

約数の個数: 36

約数和(自身を含む): 67367160

約数和(自身を除く): 36015740

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 163, 236, 295, 326, 590, 652, 815, 1180, 1630, 3260, 9617, 19234, 26569, 38468, 48085, 53138, 96170, 106276, 132845, 192340, 265690, 531380, 1567571, 3135142, 6270284, 7837855, 15675710, 31351420]

約数ペア:

[(1, 31351420), (2, 15675710), (4, 7837855), (5, 6270284), (10, 3135142), (20, 1567571), (59, 531380), (118, 265690), (163, 192340), (236, 132845), (295, 106276), (326, 96170), (590, 53138), (652, 48085), (815, 38468), (1180, 26569), (1630, 19234), (3260, 9617)]