24985580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 56881440

約数和(自身を除く): 31895860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 1709, 2924, 3418, 3655, 6836, 7310, 8545, 14620, 17090, 29053, 34180, 58106, 73487, 116212, 145265, 146974, 290530, 293948, 367435, 581060, 734870, 1249279, 1469740, 2498558, 4997116, 6246395, 12492790, 24985580]

約数ペア:

[(1, 24985580), (2, 12492790), (4, 6246395), (5, 4997116), (10, 2498558), (17, 1469740), (20, 1249279), (34, 734870), (43, 581060), (68, 367435), (85, 293948), (86, 290530), (170, 146974), (172, 145265), (215, 116212), (340, 73487), (430, 58106), (731, 34180), (860, 29053), (1462, 17090), (1709, 14620), (2924, 8545), (3418, 7310), (3655, 6836)]