90148340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109937}}^1$

素因数の和:109987

約数の個数: 24

約数和(自身を含む): 193930632

約数和(自身を除く): 103782292

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 109937, 219874, 439748, 549685, 1099370, 2198740, 4507417, 9014834, 18029668, 22537085, 45074170, 90148340]

約数ペア:

[(1, 90148340), (2, 45074170), (4, 22537085), (5, 18029668), (10, 9014834), (20, 4507417), (41, 2198740), (82, 1099370), (164, 549685), (205, 439748), (410, 219874), (820, 109937)]