63866140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245639}}^1$

素因数の和:245661

約数の個数: 24

約数和(自身を含む): 144436320

約数和(自身を除く): 80570180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 245639, 491278, 982556, 1228195, 2456390, 3193307, 4912780, 6386614, 12773228, 15966535, 31933070, 63866140]

約数ペア:

[(1, 63866140), (2, 31933070), (4, 15966535), (5, 12773228), (10, 6386614), (13, 4912780), (20, 3193307), (26, 2456390), (52, 1228195), (65, 982556), (130, 491278), (260, 245639)]