217410040

素因数分解:

$2^3\times 5^1\times {\mathrm{5435251}}^1$

素因数の和:5435262

約数の個数: 16

約数和(自身を含む): 489172680

約数和(自身を除く): 271762640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5435251, 10870502, 21741004, 27176255, 43482008, 54352510, 108705020, 217410040]

約数ペア:

[(1, 217410040), (2, 108705020), (4, 54352510), (5, 43482008), (8, 27176255), (10, 21741004), (20, 10870502), (40, 5435251)]