182818640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28927}}^1$

素因数の和:29019

約数の個数: 40

約数和(自身を含む): 430448640

約数和(自身を除く): 247630000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 28927, 57854, 115708, 144635, 231416, 289270, 462832, 578540, 1157080, 2285233, 2314160, 4570466, 9140932, 11426165, 18281864, 22852330, 36563728, 45704660, 91409320, 182818640]

約数ペア:

[(1, 182818640), (2, 91409320), (4, 45704660), (5, 36563728), (8, 22852330), (10, 18281864), (16, 11426165), (20, 9140932), (40, 4570466), (79, 2314160), (80, 2285233), (158, 1157080), (316, 578540), (395, 462832), (632, 289270), (790, 231416), (1264, 144635), (1580, 115708), (3160, 57854), (6320, 28927)]