31696120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{14951}}^1$

素因数の和:15015

約数の個数: 32

約数和(自身を含む): 72666720

約数和(自身を除く): 40970600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 14951, 29902, 59804, 74755, 119608, 149510, 299020, 598040, 792403, 1584806, 3169612, 3962015, 6339224, 7924030, 15848060, 31696120]

約数ペア:

[(1, 31696120), (2, 15848060), (4, 7924030), (5, 6339224), (8, 3962015), (10, 3169612), (20, 1584806), (40, 792403), (53, 598040), (106, 299020), (212, 149510), (265, 119608), (424, 74755), (530, 59804), (1060, 29902), (2120, 14951)]