4142500

素因数分解:

$2^2\times 5^4\times {\mathrm{1657}}^1$

素因数の和:1681

約数の個数: 30

約数和(自身を含む): 9064286

約数和(自身を除く): 4921786

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 1657, 2500, 3314, 6628, 8285, 16570, 33140, 41425, 82850, 165700, 207125, 414250, 828500, 1035625, 2071250, 4142500]

約数ペア:

[(1, 4142500), (2, 2071250), (4, 1035625), (5, 828500), (10, 414250), (20, 207125), (25, 165700), (50, 82850), (100, 41425), (125, 33140), (250, 16570), (500, 8285), (625, 6628), (1250, 3314), (1657, 2500)]