13478680

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1597}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 30489840

約数和(自身を除く): 17011160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1597, 1688, 2110, 3194, 4220, 6388, 7985, 8440, 12776, 15970, 31940, 63880, 336967, 673934, 1347868, 1684835, 2695736, 3369670, 6739340, 13478680]

約数ペア:

[(1, 13478680), (2, 6739340), (4, 3369670), (5, 2695736), (8, 1684835), (10, 1347868), (20, 673934), (40, 336967), (211, 63880), (422, 31940), (844, 15970), (1055, 12776), (1597, 8440), (1688, 7985), (2110, 6388), (3194, 4220)]