207745840

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3163}}^1$

素因数の和:3997

約数の個数: 40

約数和(自身を含む): 483750288

約数和(自身を除く): 276004448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 1642, 3163, 3284, 4105, 6326, 6568, 8210, 12652, 13136, 15815, 16420, 25304, 31630, 32840, 50608, 63260, 65680, 126520, 253040, 2596823, 5193646, 10387292, 12984115, 20774584, 25968230, 41549168, 51936460, 103872920, 207745840]

約数ペア:

[(1, 207745840), (2, 103872920), (4, 51936460), (5, 41549168), (8, 25968230), (10, 20774584), (16, 12984115), (20, 10387292), (40, 5193646), (80, 2596823), (821, 253040), (1642, 126520), (3163, 65680), (3284, 63260), (4105, 50608), (6326, 32840), (6568, 31630), (8210, 25304), (12652, 16420), (13136, 15815)]