31520450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 64120896

約数和(自身を除く): 32600446

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 325, 355, 650, 683, 710, 923, 1366, 1775, 1846, 3415, 3550, 4615, 6830, 8879, 9230, 17075, 17758, 23075, 34150, 44395, 46150, 48493, 88790, 96986, 221975, 242465, 443950, 484930, 630409, 1212325, 1260818, 2424650, 3152045, 6304090, 15760225, 31520450]

約数ペア:

[(1, 31520450), (2, 15760225), (5, 6304090), (10, 3152045), (13, 2424650), (25, 1260818), (26, 1212325), (50, 630409), (65, 484930), (71, 443950), (130, 242465), (142, 221975), (325, 96986), (355, 88790), (650, 48493), (683, 46150), (710, 44395), (923, 34150), (1366, 23075), (1775, 17758), (1846, 17075), (3415, 9230), (3550, 8879), (4615, 6830)]