200560420

素因数分解:

$2^2\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{6217}}^1$

素因数の和:7839

約数の個数: 24

約数和(自身を含む): 421505784

約数和(自身を除く): 220945364

約数列:

[1, 2, 4, 5, 10, 20, 1613, 3226, 6217, 6452, 8065, 12434, 16130, 24868, 31085, 32260, 62170, 124340, 10028021, 20056042, 40112084, 50140105, 100280210, 200560420]

約数ペア:

[(1, 200560420), (2, 100280210), (4, 50140105), (5, 40112084), (10, 20056042), (20, 10028021), (1613, 124340), (3226, 62170), (6217, 32260), (6452, 31085), (8065, 24868), (12434, 16130)]