82850000

素因数分解:

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

素因数の和:1690

約数の個数: 60

約数和(自身を含む): 200760588

約数和(自身を除く): 117910588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1657, 2000, 2500, 3125, 3314, 5000, 6250, 6628, 8285, 10000, 12500, 13256, 16570, 25000, 26512, 33140, 41425, 50000, 66280, 82850, 132560, 165700, 207125, 331400, 414250, 662800, 828500, 1035625, 1657000, 2071250, 3314000, 4142500, 5178125, 8285000, 10356250, 16570000, 20712500, 41425000, 82850000]

約数ペア:

[(1, 82850000), (2, 41425000), (4, 20712500), (5, 16570000), (8, 10356250), (10, 8285000), (16, 5178125), (20, 4142500), (25, 3314000), (40, 2071250), (50, 1657000), (80, 1035625), (100, 828500), (125, 662800), (200, 414250), (250, 331400), (400, 207125), (500, 165700), (625, 132560), (1000, 82850), (1250, 66280), (1657, 50000), (2000, 41425), (2500, 33140), (3125, 26512), (3314, 25000), (5000, 16570), (6250, 13256), (6628, 12500), (8285, 10000)]