31320680

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1117}}^1$

素因数の和:1829

約数の個数: 32

約数和(自身を含む): 70635240

約数和(自身を除く): 39314560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 1117, 1402, 2234, 2804, 3505, 4468, 5585, 5608, 7010, 8936, 11170, 14020, 22340, 28040, 44680, 783017, 1566034, 3132068, 3915085, 6264136, 7830170, 15660340, 31320680]

約数ペア:

[(1, 31320680), (2, 15660340), (4, 7830170), (5, 6264136), (8, 3915085), (10, 3132068), (20, 1566034), (40, 783017), (701, 44680), (1117, 28040), (1402, 22340), (2234, 14020), (2804, 11170), (3505, 8936), (4468, 7010), (5585, 5608)]