89720410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53089}}^1$

素因数の和:53122

約数の個数: 24

約数和(自身を含む): 174878460

約数和(自身を除く): 85158050

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 53089, 106178, 265445, 530890, 690157, 1380314, 3450785, 6901570, 8972041, 17944082, 44860205, 89720410]

約数ペア:

[(1, 89720410), (2, 44860205), (5, 17944082), (10, 8972041), (13, 6901570), (26, 3450785), (65, 1380314), (130, 690157), (169, 530890), (338, 265445), (845, 106178), (1690, 53089)]