69696250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{4289}}^1$

素因数の和:4324

約数の個数: 40

約数和(自身を含む): 140720580

約数和(自身を除く): 71024330

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 4289, 8125, 8578, 16250, 21445, 42890, 55757, 107225, 111514, 214450, 278785, 536125, 557570, 1072250, 1393925, 2680625, 2787850, 5361250, 6969625, 13939250, 34848125, 69696250]

約数ペア:

[(1, 69696250), (2, 34848125), (5, 13939250), (10, 6969625), (13, 5361250), (25, 2787850), (26, 2680625), (50, 1393925), (65, 1072250), (125, 557570), (130, 536125), (250, 278785), (325, 214450), (625, 111514), (650, 107225), (1250, 55757), (1625, 42890), (3250, 21445), (4289, 16250), (8125, 8578)]