19803750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5281}}^1$

素因数の和:5306

約数の個数: 40

約数和(自身を含む): 49502904

約数和(自身を除く): 29699154

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5281, 10562, 15843, 26405, 31686, 52810, 79215, 132025, 158430, 264050, 396075, 660125, 792150, 1320250, 1980375, 3300625, 3960750, 6601250, 9901875, 19803750]

約数ペア:

[(1, 19803750), (2, 9901875), (3, 6601250), (5, 3960750), (6, 3300625), (10, 1980375), (15, 1320250), (25, 792150), (30, 660125), (50, 396075), (75, 264050), (125, 158430), (150, 132025), (250, 79215), (375, 52810), (625, 31686), (750, 26405), (1250, 15843), (1875, 10562), (3750, 5281)]