16581580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15643}}^1$

素因数の和:15705

約数の個数: 24

約数和(自身を含む): 35480592

約数和(自身を除く): 18899012

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 15643, 31286, 62572, 78215, 156430, 312860, 829079, 1658158, 3316316, 4145395, 8290790, 16581580]

約数ペア:

[(1, 16581580), (2, 8290790), (4, 4145395), (5, 3316316), (10, 1658158), (20, 829079), (53, 312860), (106, 156430), (212, 78215), (265, 62572), (530, 31286), (1060, 15643)]