87912140

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{26321}}^1$

素因数の和:26497

約数の個数: 24

約数和(自身を含む): 185728032

約数和(自身を除く): 97815892

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 26321, 52642, 105284, 131605, 263210, 526420, 4395607, 8791214, 17582428, 21978035, 43956070, 87912140]

約数ペア:

[(1, 87912140), (2, 43956070), (4, 21978035), (5, 17582428), (10, 8791214), (20, 4395607), (167, 526420), (334, 263210), (668, 131605), (835, 105284), (1670, 52642), (3340, 26321)]