55131700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{42409}}^1$

素因数の和:42436

約数の個数: 36

約数和(自身を含む): 128841580

約数和(自身を除く): 73709880

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 42409, 84818, 169636, 212045, 424090, 551317, 848180, 1060225, 1102634, 2120450, 2205268, 2756585, 4240900, 5513170, 11026340, 13782925, 27565850, 55131700]

約数ペア:

[(1, 55131700), (2, 27565850), (4, 13782925), (5, 11026340), (10, 5513170), (13, 4240900), (20, 2756585), (25, 2205268), (26, 2120450), (50, 1102634), (52, 1060225), (65, 848180), (100, 551317), (130, 424090), (260, 212045), (325, 169636), (650, 84818), (1300, 42409)]