80102620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1823}}^1$

素因数の和:1871

約数の個数: 48

約数和(自身を含む): 182327040

約数和(自身を除く): 102224420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 1823, 2197, 3380, 3646, 4394, 7292, 8788, 9115, 10985, 18230, 21970, 23699, 36460, 43940, 47398, 94796, 118495, 236990, 308087, 473980, 616174, 1232348, 1540435, 3080870, 4005131, 6161740, 8010262, 16020524, 20025655, 40051310, 80102620]

約数ペア:

[(1, 80102620), (2, 40051310), (4, 20025655), (5, 16020524), (10, 8010262), (13, 6161740), (20, 4005131), (26, 3080870), (52, 1540435), (65, 1232348), (130, 616174), (169, 473980), (260, 308087), (338, 236990), (676, 118495), (845, 94796), (1690, 47398), (1823, 43940), (2197, 36460), (3380, 23699), (3646, 21970), (4394, 18230), (7292, 10985), (8788, 9115)]