13287460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 29836800

約数和(自身を除く): 16549340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 479, 730, 958, 1387, 1460, 1916, 2395, 2774, 4790, 5548, 6935, 9101, 9580, 13870, 18202, 27740, 34967, 36404, 45505, 69934, 91010, 139868, 174835, 182020, 349670, 664373, 699340, 1328746, 2657492, 3321865, 6643730, 13287460]

約数ペア:

[(1, 13287460), (2, 6643730), (4, 3321865), (5, 2657492), (10, 1328746), (19, 699340), (20, 664373), (38, 349670), (73, 182020), (76, 174835), (95, 139868), (146, 91010), (190, 69934), (292, 45505), (365, 36404), (380, 34967), (479, 27740), (730, 18202), (958, 13870), (1387, 9580), (1460, 9101), (1916, 6935), (2395, 5548), (2774, 4790)]