87756640

素因数分解:

$2^5\times 5^1\times {\mathrm{643}}^1\times {\mathrm{853}}^1$

素因数の和:1511

約数の個数: 48

約数和(自身を含む): 207890928

約数和(自身を除く): 120134288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 643, 853, 1286, 1706, 2572, 3215, 3412, 4265, 5144, 6430, 6824, 8530, 10288, 12860, 13648, 17060, 20576, 25720, 27296, 34120, 51440, 68240, 102880, 136480, 548479, 1096958, 2193916, 2742395, 4387832, 5484790, 8775664, 10969580, 17551328, 21939160, 43878320, 87756640]

約数ペア:

[(1, 87756640), (2, 43878320), (4, 21939160), (5, 17551328), (8, 10969580), (10, 8775664), (16, 5484790), (20, 4387832), (32, 2742395), (40, 2193916), (80, 1096958), (160, 548479), (643, 136480), (853, 102880), (1286, 68240), (1706, 51440), (2572, 34120), (3215, 27296), (3412, 25720), (4265, 20576), (5144, 17060), (6430, 13648), (6824, 12860), (8530, 10288)]