2153281640

素因数分解:

$2^3\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{45971}}^1$

素因数の和:47153

約数の個数: 32

約数和(自身を含む): 4849126560

約数和(自身を除く): 2695844920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1171, 2342, 4684, 5855, 9368, 11710, 23420, 45971, 46840, 91942, 183884, 229855, 367768, 459710, 919420, 1838840, 53832041, 107664082, 215328164, 269160205, 430656328, 538320410, 1076640820, 2153281640]

約数ペア:

[(1, 2153281640), (2, 1076640820), (4, 538320410), (5, 430656328), (8, 269160205), (10, 215328164), (20, 107664082), (40, 53832041), (1171, 1838840), (2342, 919420), (4684, 459710), (5855, 367768), (9368, 229855), (11710, 183884), (23420, 91942), (45971, 46840)]