16653260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{379}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 37984800

約数和(自身を除く): 21331540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 379, 676, 758, 845, 1516, 1690, 1895, 2197, 3380, 3790, 4394, 4927, 7580, 8788, 9854, 10985, 19708, 21970, 24635, 43940, 49270, 64051, 98540, 128102, 256204, 320255, 640510, 832663, 1281020, 1665326, 3330652, 4163315, 8326630, 16653260]

約数ペア:

[(1, 16653260), (2, 8326630), (4, 4163315), (5, 3330652), (10, 1665326), (13, 1281020), (20, 832663), (26, 640510), (52, 320255), (65, 256204), (130, 128102), (169, 98540), (260, 64051), (338, 49270), (379, 43940), (676, 24635), (758, 21970), (845, 19708), (1516, 10985), (1690, 9854), (1895, 8788), (2197, 7580), (3380, 4927), (3790, 4394)]