9900050

素因数分解:

$2^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{509}}^1$

素因数の和:910

約数の個数: 24

約数和(自身を含む): 18497700

約数和(自身を除く): 8597650

約数列:

[1, 2, 5, 10, 25, 50, 389, 509, 778, 1018, 1945, 2545, 3890, 5090, 9725, 12725, 19450, 25450, 198001, 396002, 990005, 1980010, 4950025, 9900050]

約数ペア:

[(1, 9900050), (2, 4950025), (5, 1980010), (10, 990005), (25, 396002), (50, 198001), (389, 25450), (509, 19450), (778, 12725), (1018, 9725), (1945, 5090), (2545, 3890)]