69813250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21481}}^1$

素因数の和:21511

約数の個数: 32

約数和(自身を含む): 140750064

約数和(自身を除く): 70936814

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 21481, 42962, 107405, 214810, 279253, 537025, 558506, 1074050, 1396265, 2685125, 2792530, 5370250, 6981325, 13962650, 34906625, 69813250]

約数ペア:

[(1, 69813250), (2, 34906625), (5, 13962650), (10, 6981325), (13, 5370250), (25, 2792530), (26, 2685125), (50, 1396265), (65, 1074050), (125, 558506), (130, 537025), (250, 279253), (325, 214810), (650, 107405), (1625, 42962), (3250, 21481)]