28010060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8287}}^1$

素因数の和:8322

約数の個数: 36

約数和(自身を含む): 63701568

約数和(自身を除く): 35691508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 8287, 16574, 33148, 41435, 82870, 107731, 165740, 215462, 430924, 538655, 1077310, 1400503, 2154620, 2801006, 5602012, 7002515, 14005030, 28010060]

約数ペア:

[(1, 28010060), (2, 14005030), (4, 7002515), (5, 5602012), (10, 2801006), (13, 2154620), (20, 1400503), (26, 1077310), (52, 538655), (65, 430924), (130, 215462), (169, 165740), (260, 107731), (338, 82870), (676, 41435), (845, 33148), (1690, 16574), (3380, 8287)]