28065000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1871}}^1$

素因数の和:1900

約数の個数: 80

約数和(自身を含む): 87721920

約数和(自身を除く): 59656920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1871, 1875, 2500, 3000, 3742, 3750, 5000, 5613, 7484, 7500, 9355, 11226, 14968, 15000, 18710, 22452, 28065, 37420, 44904, 46775, 56130, 74840, 93550, 112260, 140325, 187100, 224520, 233875, 280650, 374200, 467750, 561300, 701625, 935500, 1122600, 1169375, 1403250, 1871000, 2338750, 2806500, 3508125, 4677500, 5613000, 7016250, 9355000, 14032500, 28065000]

約数ペア:

[(1, 28065000), (2, 14032500), (3, 9355000), (4, 7016250), (5, 5613000), (6, 4677500), (8, 3508125), (10, 2806500), (12, 2338750), (15, 1871000), (20, 1403250), (24, 1169375), (25, 1122600), (30, 935500), (40, 701625), (50, 561300), (60, 467750), (75, 374200), (100, 280650), (120, 233875), (125, 224520), (150, 187100), (200, 140325), (250, 112260), (300, 93550), (375, 74840), (500, 56130), (600, 46775), (625, 44904), (750, 37420), (1000, 28065), (1250, 22452), (1500, 18710), (1871, 15000), (1875, 14968), (2500, 11226), (3000, 9355), (3742, 7500), (3750, 7484), (5000, 5613)]