28856750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{683}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 58580496

約数和(自身を除く): 29723746

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 650, 683, 845, 1366, 1625, 1690, 3250, 3415, 4225, 6830, 8450, 8879, 17075, 17758, 21125, 34150, 42250, 44395, 85375, 88790, 115427, 170750, 221975, 230854, 443950, 577135, 1109875, 1154270, 2219750, 2885675, 5771350, 14428375, 28856750]

約数ペア:

[(1, 28856750), (2, 14428375), (5, 5771350), (10, 2885675), (13, 2219750), (25, 1154270), (26, 1109875), (50, 577135), (65, 443950), (125, 230854), (130, 221975), (169, 170750), (250, 115427), (325, 88790), (338, 85375), (650, 44395), (683, 42250), (845, 34150), (1366, 21125), (1625, 17758), (1690, 17075), (3250, 8879), (3415, 8450), (4225, 6830)]