198765202040

素因数分解:

$2^3\times 5^1\times {\mathrm{4969130051}}^1$

素因数の和:4969130062

約数の個数: 16

約数和(自身を含む): 447221704680

約数和(自身を除く): 248456502640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4969130051, 9938260102, 19876520204, 24845650255, 39753040408, 49691300510, 99382601020, 198765202040]

約数ペア:

[(1, 198765202040), (2, 99382601020), (4, 49691300510), (5, 39753040408), (8, 24845650255), (10, 19876520204), (20, 9938260102), (40, 4969130051)]