12989600

素因数分解:

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

素因数の和:1282

約数の個数: 72

約数和(自身を含む): 34177500

約数和(自身を除く): 21187900

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1249, 1300, 2080, 2498, 2600, 4996, 5200, 6245, 9992, 10400, 12490, 16237, 19984, 24980, 31225, 32474, 39968, 49960, 62450, 64948, 81185, 99920, 124900, 129896, 162370, 199840, 249800, 259792, 324740, 405925, 499600, 519584, 649480, 811850, 999200, 1298960, 1623700, 2597920, 3247400, 6494800, 12989600]

約数ペア:

[(1, 12989600), (2, 6494800), (4, 3247400), (5, 2597920), (8, 1623700), (10, 1298960), (13, 999200), (16, 811850), (20, 649480), (25, 519584), (26, 499600), (32, 405925), (40, 324740), (50, 259792), (52, 249800), (65, 199840), (80, 162370), (100, 129896), (104, 124900), (130, 99920), (160, 81185), (200, 64948), (208, 62450), (260, 49960), (325, 39968), (400, 32474), (416, 31225), (520, 24980), (650, 19984), (800, 16237), (1040, 12490), (1249, 10400), (1300, 9992), (2080, 6245), (2498, 5200), (2600, 4996)]