172378040

素因数分解:

$2^3\times 5^1\times {\mathrm{4309451}}^1$

素因数の和:4309462

約数の個数: 16

約数和(自身を含む): 387850680

約数和(自身を除く): 215472640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4309451, 8618902, 17237804, 21547255, 34475608, 43094510, 86189020, 172378040]

約数ペア:

[(1, 172378040), (2, 86189020), (4, 43094510), (5, 34475608), (8, 21547255), (10, 17237804), (20, 8618902), (40, 4309451)]