4687500

素因数分解:

$2^2\times 3^1\times 5^8$

素因数の和:47

約数の個数: 54

約数和(自身を含む): 13671868

約数和(自身を除く): 8984368

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 3125, 3750, 6250, 7500, 9375, 12500, 15625, 18750, 31250, 37500, 46875, 62500, 78125, 93750, 156250, 187500, 234375, 312500, 390625, 468750, 781250, 937500, 1171875, 1562500, 2343750, 4687500]

約数ペア:

[(1, 4687500), (2, 2343750), (3, 1562500), (4, 1171875), (5, 937500), (6, 781250), (10, 468750), (12, 390625), (15, 312500), (20, 234375), (25, 187500), (30, 156250), (50, 93750), (60, 78125), (75, 62500), (100, 46875), (125, 37500), (150, 31250), (250, 18750), (300, 15625), (375, 12500), (500, 9375), (625, 7500), (750, 6250), (1250, 3750), (1500, 3125), (1875, 2500)]