51628900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{5801}}^1$

素因数の和:5904

約数の個数: 36

約数和(自身を含む): 113313060

約数和(自身を除く): 61684160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 4450, 5801, 8900, 11602, 23204, 29005, 58010, 116020, 145025, 290050, 516289, 580100, 1032578, 2065156, 2581445, 5162890, 10325780, 12907225, 25814450, 51628900]

約数ペア:

[(1, 51628900), (2, 25814450), (4, 12907225), (5, 10325780), (10, 5162890), (20, 2581445), (25, 2065156), (50, 1032578), (89, 580100), (100, 516289), (178, 290050), (356, 145025), (445, 116020), (890, 58010), (1780, 29005), (2225, 23204), (4450, 11602), (5801, 8900)]