4965220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 11395440

約数和(自身を除く): 6430220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 169, 226, 260, 338, 452, 565, 676, 845, 1130, 1469, 1690, 2197, 2260, 2938, 3380, 4394, 5876, 7345, 8788, 10985, 14690, 19097, 21970, 29380, 38194, 43940, 76388, 95485, 190970, 248261, 381940, 496522, 993044, 1241305, 2482610, 4965220]

約数ペア:

[(1, 4965220), (2, 2482610), (4, 1241305), (5, 993044), (10, 496522), (13, 381940), (20, 248261), (26, 190970), (52, 95485), (65, 76388), (113, 43940), (130, 38194), (169, 29380), (226, 21970), (260, 19097), (338, 14690), (452, 10985), (565, 8788), (676, 7345), (845, 5876), (1130, 4394), (1469, 3380), (1690, 2938), (2197, 2260)]