31097140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{9539}}^1$

素因数の和:9711

約数の個数: 24

約数和(自身を含む): 65711520

約数和(自身を除く): 34614380

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 9539, 19078, 38156, 47695, 95390, 190780, 1554857, 3109714, 6219428, 7774285, 15548570, 31097140]

約数ペア:

[(1, 31097140), (2, 15548570), (4, 7774285), (5, 6219428), (10, 3109714), (20, 1554857), (163, 190780), (326, 95390), (652, 47695), (815, 38156), (1630, 19078), (3260, 9539)]