12666680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24359}}^1$

素因数の和:24383

約数の個数: 32

約数和(自身を含む): 30693600

約数和(自身を除く): 18026920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24359, 48718, 97436, 121795, 194872, 243590, 316667, 487180, 633334, 974360, 1266668, 1583335, 2533336, 3166670, 6333340, 12666680]

約数ペア:

[(1, 12666680), (2, 6333340), (4, 3166670), (5, 2533336), (8, 1583335), (10, 1266668), (13, 974360), (20, 633334), (26, 487180), (40, 316667), (52, 243590), (65, 194872), (104, 121795), (130, 97436), (260, 48718), (520, 24359)]