31925000

素因数分解:

$2^3\times 5^5\times {\mathrm{1277}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 74878020

約数和(自身を除く): 42953020

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1277, 2500, 2554, 3125, 5000, 5108, 6250, 6385, 10216, 12500, 12770, 25000, 25540, 31925, 51080, 63850, 127700, 159625, 255400, 319250, 638500, 798125, 1277000, 1596250, 3192500, 3990625, 6385000, 7981250, 15962500, 31925000]

約数ペア:

[(1, 31925000), (2, 15962500), (4, 7981250), (5, 6385000), (8, 3990625), (10, 3192500), (20, 1596250), (25, 1277000), (40, 798125), (50, 638500), (100, 319250), (125, 255400), (200, 159625), (250, 127700), (500, 63850), (625, 51080), (1000, 31925), (1250, 25540), (1277, 25000), (2500, 12770), (2554, 12500), (3125, 10216), (5000, 6385), (5108, 6250)]