31636540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{449}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 71971200

約数和(自身を除く): 40334660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 449, 542, 898, 1084, 1355, 1796, 2245, 2710, 3523, 4490, 5420, 5837, 7046, 8980, 11674, 14092, 17615, 23348, 29185, 35230, 58370, 70460, 116740, 121679, 243358, 486716, 608395, 1216790, 1581827, 2433580, 3163654, 6327308, 7909135, 15818270, 31636540]

約数ペア:

[(1, 31636540), (2, 15818270), (4, 7909135), (5, 6327308), (10, 3163654), (13, 2433580), (20, 1581827), (26, 1216790), (52, 608395), (65, 486716), (130, 243358), (260, 121679), (271, 116740), (449, 70460), (542, 58370), (898, 35230), (1084, 29185), (1355, 23348), (1796, 17615), (2245, 14092), (2710, 11674), (3523, 8980), (4490, 7046), (5420, 5837)]