129086200

素因数分解:

$2^3\times 5^2\times {\mathrm{645431}}^1$

素因数の和:645447

約数の個数: 24

約数和(自身を含む): 300125880

約数和(自身を除く): 171039680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 645431, 1290862, 2581724, 3227155, 5163448, 6454310, 12908620, 16135775, 25817240, 32271550, 64543100, 129086200]

約数ペア:

[(1, 129086200), (2, 64543100), (4, 32271550), (5, 25817240), (8, 16135775), (10, 12908620), (20, 6454310), (25, 5163448), (40, 3227155), (50, 2581724), (100, 1290862), (200, 645431)]