8767720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1297}}^1$

素因数の和:1334

約数の個数: 48

約数和(自身を含む): 21378060

約数和(自身を除く): 12610340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1297, 1352, 1690, 2594, 3380, 5188, 6485, 6760, 10376, 12970, 16861, 25940, 33722, 51880, 67444, 84305, 134888, 168610, 219193, 337220, 438386, 674440, 876772, 1095965, 1753544, 2191930, 4383860, 8767720]

約数ペア:

[(1, 8767720), (2, 4383860), (4, 2191930), (5, 1753544), (8, 1095965), (10, 876772), (13, 674440), (20, 438386), (26, 337220), (40, 219193), (52, 168610), (65, 134888), (104, 84305), (130, 67444), (169, 51880), (260, 33722), (338, 25940), (520, 16861), (676, 12970), (845, 10376), (1297, 6760), (1352, 6485), (1690, 5188), (2594, 3380)]