1887640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 4354560

約数和(自身を除く): 2466920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1151, 1640, 2302, 4604, 5755, 9208, 11510, 23020, 46040, 47191, 94382, 188764, 235955, 377528, 471910, 943820, 1887640]

約数ペア:

[(1, 1887640), (2, 943820), (4, 471910), (5, 377528), (8, 235955), (10, 188764), (20, 94382), (40, 47191), (41, 46040), (82, 23020), (164, 11510), (205, 9208), (328, 5755), (410, 4604), (820, 2302), (1151, 1640)]