40077780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{667963}}^1$

素因数の和:667975

約数の個数: 24

約数和(自身を含む): 112217952

約数和(自身を除く): 72140172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 667963, 1335926, 2003889, 2671852, 3339815, 4007778, 6679630, 8015556, 10019445, 13359260, 20038890, 40077780]

約数ペア:

[(1, 40077780), (2, 20038890), (3, 13359260), (4, 10019445), (5, 8015556), (6, 6679630), (10, 4007778), (12, 3339815), (15, 2671852), (20, 2003889), (30, 1335926), (60, 667963)]