248715610040

素因数分解:

$2^3\times 5^1\times {\mathrm{6217890251}}^1$

素因数の和:6217890262

約数の個数: 16

約数和(自身を含む): 559610122680

約数和(自身を除く): 310894512640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6217890251, 12435780502, 24871561004, 31089451255, 49743122008, 62178902510, 124357805020, 248715610040]

約数ペア:

[(1, 248715610040), (2, 124357805020), (4, 62178902510), (5, 49743122008), (8, 31089451255), (10, 24871561004), (20, 12435780502), (40, 6217890251)]