31194640

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2617}}^1$

素因数の和:2779

約数の個数: 40

約数和(自身を含む): 73042200

約数和(自身を除く): 41847560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2617, 2980, 5234, 5960, 10468, 11920, 13085, 20936, 26170, 41872, 52340, 104680, 209360, 389933, 779866, 1559732, 1949665, 3119464, 3899330, 6238928, 7798660, 15597320, 31194640]

約数ペア:

[(1, 31194640), (2, 15597320), (4, 7798660), (5, 6238928), (8, 3899330), (10, 3119464), (16, 1949665), (20, 1559732), (40, 779866), (80, 389933), (149, 209360), (298, 104680), (596, 52340), (745, 41872), (1192, 26170), (1490, 20936), (2384, 13085), (2617, 11920), (2980, 10468), (5234, 5960)]