129018200

素因数分解:

$2^3\times 5^2\times {\mathrm{645091}}^1$

素因数の和:645107

約数の個数: 24

約数和(自身を含む): 299967780

約数和(自身を除く): 170949580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 645091, 1290182, 2580364, 3225455, 5160728, 6450910, 12901820, 16127275, 25803640, 32254550, 64509100, 129018200]

約数ペア:

[(1, 129018200), (2, 64509100), (4, 32254550), (5, 25803640), (8, 16127275), (10, 12901820), (20, 6450910), (25, 5160728), (40, 3225455), (50, 2580364), (100, 1290182), (200, 645091)]