2597920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1277

約数の個数: 48

約数和(自身を含む): 6615000

約数和(自身を除く): 4017080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1249, 2080, 2498, 4996, 6245, 9992, 12490, 16237, 19984, 24980, 32474, 39968, 49960, 64948, 81185, 99920, 129896, 162370, 199840, 259792, 324740, 519584, 649480, 1298960, 2597920]

約数ペア:

[(1, 2597920), (2, 1298960), (4, 649480), (5, 519584), (8, 324740), (10, 259792), (13, 199840), (16, 162370), (20, 129896), (26, 99920), (32, 81185), (40, 64948), (52, 49960), (65, 39968), (80, 32474), (104, 24980), (130, 19984), (160, 16237), (208, 12490), (260, 9992), (416, 6245), (520, 4996), (1040, 2498), (1249, 2080)]