155113520

素因数分解:

$2^4\times 5^1\times {\mathrm{613}}^1\times {\mathrm{3163}}^1$

素因数の和:3789

約数の個数: 40

約数和(自身を含む): 361341456

約数和(自身を除く): 206227936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 613, 1226, 2452, 3065, 3163, 4904, 6130, 6326, 9808, 12260, 12652, 15815, 24520, 25304, 31630, 49040, 50608, 63260, 126520, 253040, 1938919, 3877838, 7755676, 9694595, 15511352, 19389190, 31022704, 38778380, 77556760, 155113520]

約数ペア:

[(1, 155113520), (2, 77556760), (4, 38778380), (5, 31022704), (8, 19389190), (10, 15511352), (16, 9694595), (20, 7755676), (40, 3877838), (80, 1938919), (613, 253040), (1226, 126520), (2452, 63260), (3065, 50608), (3163, 49040), (4904, 31630), (6130, 25304), (6326, 24520), (9808, 15815), (12260, 12652)]