8910520

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{673}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 20139120

約数和(自身を除く): 11228600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 673, 1324, 1346, 1655, 2648, 2692, 3310, 3365, 5384, 6620, 6730, 13240, 13460, 26920, 222763, 445526, 891052, 1113815, 1782104, 2227630, 4455260, 8910520]

約数ペア:

[(1, 8910520), (2, 4455260), (4, 2227630), (5, 1782104), (8, 1113815), (10, 891052), (20, 445526), (40, 222763), (331, 26920), (662, 13460), (673, 13240), (1324, 6730), (1346, 6620), (1655, 5384), (2648, 3365), (2692, 3310)]