20132810480

素因数分解:

$2^4\times 5^1\times {\mathrm{251660131}}^1$

素因数の和:251660144

約数の個数: 20

約数和(自身を含む): 46808784552

約数和(自身を除く): 26675974072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251660131, 503320262, 1006640524, 1258300655, 2013281048, 2516601310, 4026562096, 5033202620, 10066405240, 20132810480]

約数ペア:

[(1, 20132810480), (2, 10066405240), (4, 5033202620), (5, 4026562096), (8, 2516601310), (10, 2013281048), (16, 1258300655), (20, 1006640524), (40, 503320262), (80, 251660131)]