31385000

素因数分解:

$2^3\times 5^4\times {\mathrm{6277}}^1$

素因数の和:6303

約数の個数: 40

約数和(自身を含む): 73546770

約数和(自身を除く): 42161770

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 6277, 12554, 25108, 31385, 50216, 62770, 125540, 156925, 251080, 313850, 627700, 784625, 1255400, 1569250, 3138500, 3923125, 6277000, 7846250, 15692500, 31385000]

約数ペア:

[(1, 31385000), (2, 15692500), (4, 7846250), (5, 6277000), (8, 3923125), (10, 3138500), (20, 1569250), (25, 1255400), (40, 784625), (50, 627700), (100, 313850), (125, 251080), (200, 156925), (250, 125540), (500, 62770), (625, 50216), (1000, 31385), (1250, 25108), (2500, 12554), (5000, 6277)]