25815000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1721}}^1$

素因数の和:1750

約数の個数: 80

約数和(自身を含む): 80692920

約数和(自身を除く): 54877920

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, 1721, 1875, 2500, 3000, 3442, 3750, 5000, 5163, 6884, 7500, 8605, 10326, 13768, 15000, 17210, 20652, 25815, 34420, 41304, 43025, 51630, 68840, 86050, 103260, 129075, 172100, 206520, 215125, 258150, 344200, 430250, 516300, 645375, 860500, 1032600, 1075625, 1290750, 1721000, 2151250, 2581500, 3226875, 4302500, 5163000, 6453750, 8605000, 12907500, 25815000]

約数ペア:

[(1, 25815000), (2, 12907500), (3, 8605000), (4, 6453750), (5, 5163000), (6, 4302500), (8, 3226875), (10, 2581500), (12, 2151250), (15, 1721000), (20, 1290750), (24, 1075625), (25, 1032600), (30, 860500), (40, 645375), (50, 516300), (60, 430250), (75, 344200), (100, 258150), (120, 215125), (125, 206520), (150, 172100), (200, 129075), (250, 103260), (300, 86050), (375, 68840), (500, 51630), (600, 43025), (625, 41304), (750, 34420), (1000, 25815), (1250, 20652), (1500, 17210), (1721, 15000), (1875, 13768), (2500, 10326), (3000, 8605), (3442, 7500), (3750, 6884), (5000, 5163)]