87137140

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{6379}}^1$

素因数の和:7071

約数の個数: 24

約数和(自身を含む): 183284640

約数和(自身を除く): 96147500

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2732, 3415, 6379, 6830, 12758, 13660, 25516, 31895, 63790, 127580, 4356857, 8713714, 17427428, 21784285, 43568570, 87137140]

約数ペア:

[(1, 87137140), (2, 43568570), (4, 21784285), (5, 17427428), (10, 8713714), (20, 4356857), (683, 127580), (1366, 63790), (2732, 31895), (3415, 25516), (6379, 13660), (6830, 12758)]