69871750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21499}}^1$

素因数の和:21529

約数の個数: 32

約数和(自身を含む): 140868000

約数和(自身を除く): 70996250

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 21499, 42998, 107495, 214990, 279487, 537475, 558974, 1074950, 1397435, 2687375, 2794870, 5374750, 6987175, 13974350, 34935875, 69871750]

約数ペア:

[(1, 69871750), (2, 34935875), (5, 13974350), (10, 6987175), (13, 5374750), (25, 2794870), (26, 2687375), (50, 1397435), (65, 1074950), (125, 558974), (130, 537475), (250, 279487), (325, 214990), (650, 107495), (1625, 42998), (3250, 21499)]