1381646480

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{152837}}^1$

素因数の和:152963

約数の個数: 40

約数和(自身を含む): 3240776952

約数和(自身を除く): 1859130472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 152837, 305674, 611348, 764185, 1222696, 1528370, 2445392, 3056740, 6113480, 12226960, 17270581, 34541162, 69082324, 86352905, 138164648, 172705810, 276329296, 345411620, 690823240, 1381646480]

約数ペア:

[(1, 1381646480), (2, 690823240), (4, 345411620), (5, 276329296), (8, 172705810), (10, 138164648), (16, 86352905), (20, 69082324), (40, 34541162), (80, 17270581), (113, 12226960), (226, 6113480), (452, 3056740), (565, 2445392), (904, 1528370), (1130, 1222696), (1808, 764185), (2260, 611348), (4520, 305674), (9040, 152837)]