16220080

素因数分解:

$2^4\times 5^1\times {\mathrm{202751}}^1$

素因数の和:202764

約数の個数: 20

約数和(自身を含む): 37711872

約数和(自身を除く): 21491792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 202751, 405502, 811004, 1013755, 1622008, 2027510, 3244016, 4055020, 8110040, 16220080]

約数ペア:

[(1, 16220080), (2, 8110040), (4, 4055020), (5, 3244016), (8, 2027510), (10, 1622008), (16, 1013755), (20, 811004), (40, 405502), (80, 202751)]