2137367020

素因数分解:

$2^2\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{66751}}^1$

素因数の和:68361

約数の個数: 24

約数和(自身を含む): 4491341568

約数和(自身を除く): 2353974548

約数列:

[1, 2, 4, 5, 10, 20, 1601, 3202, 6404, 8005, 16010, 32020, 66751, 133502, 267004, 333755, 667510, 1335020, 106868351, 213736702, 427473404, 534341755, 1068683510, 2137367020]

約数ペア:

[(1, 2137367020), (2, 1068683510), (4, 534341755), (5, 427473404), (10, 213736702), (20, 106868351), (1601, 1335020), (3202, 667510), (6404, 333755), (8005, 267004), (16010, 133502), (32020, 66751)]