181330280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{57383}}^1$

素因数の和:57473

約数の個数: 32

約数和(自身を含む): 413164800

約数和(自身を除く): 231834520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 57383, 114766, 229532, 286915, 459064, 573830, 1147660, 2295320, 4533257, 9066514, 18133028, 22666285, 36266056, 45332570, 90665140, 181330280]

約数ペア:

[(1, 181330280), (2, 90665140), (4, 45332570), (5, 36266056), (8, 22666285), (10, 18133028), (20, 9066514), (40, 4533257), (79, 2295320), (158, 1147660), (316, 573830), (395, 459064), (632, 286915), (790, 229532), (1580, 114766), (3160, 57383)]