20325000

素因数分解:

$2^3\times 3^1\times 5^5\times {\mathrm{271}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 63745920

約数和(自身を除く): 43420920

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, 271, 300, 375, 500, 542, 600, 625, 750, 813, 1000, 1084, 1250, 1355, 1500, 1626, 1875, 2168, 2500, 2710, 3000, 3125, 3252, 3750, 4065, 5000, 5420, 6250, 6504, 6775, 7500, 8130, 9375, 10840, 12500, 13550, 15000, 16260, 18750, 20325, 25000, 27100, 32520, 33875, 37500, 40650, 54200, 67750, 75000, 81300, 101625, 135500, 162600, 169375, 203250, 271000, 338750, 406500, 508125, 677500, 813000, 846875, 1016250, 1355000, 1693750, 2032500, 2540625, 3387500, 4065000, 5081250, 6775000, 10162500, 20325000]

約数ペア:

[(1, 20325000), (2, 10162500), (3, 6775000), (4, 5081250), (5, 4065000), (6, 3387500), (8, 2540625), (10, 2032500), (12, 1693750), (15, 1355000), (20, 1016250), (24, 846875), (25, 813000), (30, 677500), (40, 508125), (50, 406500), (60, 338750), (75, 271000), (100, 203250), (120, 169375), (125, 162600), (150, 135500), (200, 101625), (250, 81300), (271, 75000), (300, 67750), (375, 54200), (500, 40650), (542, 37500), (600, 33875), (625, 32520), (750, 27100), (813, 25000), (1000, 20325), (1084, 18750), (1250, 16260), (1355, 15000), (1500, 13550), (1626, 12500), (1875, 10840), (2168, 9375), (2500, 8130), (2710, 7500), (3000, 6775), (3125, 6504), (3252, 6250), (3750, 5420), (4065, 5000)]