177348020

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{6421}}^1$

素因数の和:7811

約数の個数: 24

約数和(自身を含む): 372758568

約数和(自身を除く): 195410548

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 5524, 6421, 6905, 12842, 13810, 25684, 27620, 32105, 64210, 128420, 8867401, 17734802, 35469604, 44337005, 88674010, 177348020]

約数ペア:

[(1, 177348020), (2, 88674010), (4, 44337005), (5, 35469604), (10, 17734802), (20, 8867401), (1381, 128420), (2762, 64210), (5524, 32105), (6421, 27620), (6905, 25684), (12842, 13810)]