68126680

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12253}}^1$

素因数の和:12403

約数の個数: 32

約数和(自身を含む): 154400400

約数和(自身を除く): 86273720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 12253, 24506, 49012, 61265, 98024, 122530, 245060, 490120, 1703167, 3406334, 6812668, 8515835, 13625336, 17031670, 34063340, 68126680]

約数ペア:

[(1, 68126680), (2, 34063340), (4, 17031670), (5, 13625336), (8, 8515835), (10, 6812668), (20, 3406334), (40, 1703167), (139, 490120), (278, 245060), (556, 122530), (695, 98024), (1112, 61265), (1390, 49012), (2780, 24506), (5560, 12253)]