98113880

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{12451}}^1$

素因数の和:12659

約数の個数: 32

約数和(自身を含む): 221894640

約数和(自身を除く): 123780760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 12451, 24902, 49804, 62255, 99608, 124510, 249020, 498040, 2452847, 4905694, 9811388, 12264235, 19622776, 24528470, 49056940, 98113880]

約数ペア:

[(1, 98113880), (2, 49056940), (4, 24528470), (5, 19622776), (8, 12264235), (10, 9811388), (20, 4905694), (40, 2452847), (197, 498040), (394, 249020), (788, 124510), (985, 99608), (1576, 62255), (1970, 49804), (3940, 24902), (7880, 12451)]