20158906480

素因数分解:

$2^4\times 5^1\times {\mathrm{251986331}}^1$

素因数の和:251986344

約数の個数: 20

約数和(自身を含む): 46869457752

約数和(自身を除く): 26710551272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251986331, 503972662, 1007945324, 1259931655, 2015890648, 2519863310, 4031781296, 5039726620, 10079453240, 20158906480]

約数ペア:

[(1, 20158906480), (2, 10079453240), (4, 5039726620), (5, 4031781296), (8, 2519863310), (10, 2015890648), (16, 1259931655), (20, 1007945324), (40, 503972662), (80, 251986331)]