25201620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{140009}}^1$

素因数の和:140024

約数の個数: 36

約数和(自身を含む): 76445460

約数和(自身を除く): 51243840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 140009, 280018, 420027, 560036, 700045, 840054, 1260081, 1400090, 1680108, 2100135, 2520162, 2800180, 4200270, 5040324, 6300405, 8400540, 12600810, 25201620]

約数ペア:

[(1, 25201620), (2, 12600810), (3, 8400540), (4, 6300405), (5, 5040324), (6, 4200270), (9, 2800180), (10, 2520162), (12, 2100135), (15, 1680108), (18, 1400090), (20, 1260081), (30, 840054), (36, 700045), (45, 560036), (60, 420027), (90, 280018), (180, 140009)]