69817840

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1063}}^1$

素因数の和:1897

約数の個数: 40

約数和(自身を含む): 162677088

約数和(自身を除く): 92859248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 1063, 1642, 2126, 3284, 4105, 4252, 5315, 6568, 8210, 8504, 10630, 13136, 16420, 17008, 21260, 32840, 42520, 65680, 85040, 872723, 1745446, 3490892, 4363615, 6981784, 8727230, 13963568, 17454460, 34908920, 69817840]

約数ペア:

[(1, 69817840), (2, 34908920), (4, 17454460), (5, 13963568), (8, 8727230), (10, 6981784), (16, 4363615), (20, 3490892), (40, 1745446), (80, 872723), (821, 85040), (1063, 65680), (1642, 42520), (2126, 32840), (3284, 21260), (4105, 17008), (4252, 16420), (5315, 13136), (6568, 10630), (8210, 8504)]