80984800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^2\times {\mathrm{599}}^1$

素因数の和:645

約数の個数: 108

約数和(自身を含む): 214439400

約数和(自身を除く): 133454600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 169, 200, 208, 260, 325, 338, 400, 416, 520, 599, 650, 676, 800, 845, 1040, 1198, 1300, 1352, 1690, 2080, 2396, 2600, 2704, 2995, 3380, 4225, 4792, 5200, 5408, 5990, 6760, 7787, 8450, 9584, 10400, 11980, 13520, 14975, 15574, 16900, 19168, 23960, 27040, 29950, 31148, 33800, 38935, 47920, 59900, 62296, 67600, 77870, 95840, 101231, 119800, 124592, 135200, 155740, 194675, 202462, 239600, 249184, 311480, 389350, 404924, 479200, 506155, 622960, 778700, 809848, 1012310, 1245920, 1557400, 1619696, 2024620, 2530775, 3114800, 3239392, 4049240, 5061550, 6229600, 8098480, 10123100, 16196960, 20246200, 40492400, 80984800]

約数ペア:

[(1, 80984800), (2, 40492400), (4, 20246200), (5, 16196960), (8, 10123100), (10, 8098480), (13, 6229600), (16, 5061550), (20, 4049240), (25, 3239392), (26, 3114800), (32, 2530775), (40, 2024620), (50, 1619696), (52, 1557400), (65, 1245920), (80, 1012310), (100, 809848), (104, 778700), (130, 622960), (160, 506155), (169, 479200), (200, 404924), (208, 389350), (260, 311480), (325, 249184), (338, 239600), (400, 202462), (416, 194675), (520, 155740), (599, 135200), (650, 124592), (676, 119800), (800, 101231), (845, 95840), (1040, 77870), (1198, 67600), (1300, 62296), (1352, 59900), (1690, 47920), (2080, 38935), (2396, 33800), (2600, 31148), (2704, 29950), (2995, 27040), (3380, 23960), (4225, 19168), (4792, 16900), (5200, 15574), (5408, 14975), (5990, 13520), (6760, 11980), (7787, 10400), (8450, 9584)]