31504460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121171}}^1$

素因数の和:121193

約数の個数: 24

約数和(自身を含む): 71249136

約数和(自身を除く): 39744676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121171, 242342, 484684, 605855, 1211710, 1575223, 2423420, 3150446, 6300892, 7876115, 15752230, 31504460]

約数ペア:

[(1, 31504460), (2, 15752230), (4, 7876115), (5, 6300892), (10, 3150446), (13, 2423420), (20, 1575223), (26, 1211710), (52, 605855), (65, 484684), (130, 242342), (260, 121171)]