15975700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12289}}^1$

素因数の和:12316

約数の個数: 36

約数和(自身を含む): 37337020

約数和(自身を除く): 21361320

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 12289, 24578, 49156, 61445, 122890, 159757, 245780, 307225, 319514, 614450, 639028, 798785, 1228900, 1597570, 3195140, 3993925, 7987850, 15975700]

約数ペア:

[(1, 15975700), (2, 7987850), (4, 3993925), (5, 3195140), (10, 1597570), (13, 1228900), (20, 798785), (25, 639028), (26, 614450), (50, 319514), (52, 307225), (65, 245780), (100, 159757), (130, 122890), (260, 61445), (325, 49156), (650, 24578), (1300, 12289)]