25020400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:970

約数の個数: 60

約数和(自身を含む): 61027344

約数和(自身を除く): 36006944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 881, 1136, 1420, 1762, 1775, 2840, 3524, 3550, 4405, 5680, 7048, 7100, 8810, 14096, 14200, 17620, 22025, 28400, 35240, 44050, 62551, 70480, 88100, 125102, 176200, 250204, 312755, 352400, 500408, 625510, 1000816, 1251020, 1563775, 2502040, 3127550, 5004080, 6255100, 12510200, 25020400]

約数ペア:

[(1, 25020400), (2, 12510200), (4, 6255100), (5, 5004080), (8, 3127550), (10, 2502040), (16, 1563775), (20, 1251020), (25, 1000816), (40, 625510), (50, 500408), (71, 352400), (80, 312755), (100, 250204), (142, 176200), (200, 125102), (284, 88100), (355, 70480), (400, 62551), (568, 44050), (710, 35240), (881, 28400), (1136, 22025), (1420, 17620), (1762, 14200), (1775, 14096), (2840, 8810), (3524, 7100), (3550, 7048), (4405, 5680)]