86485240

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{3271}}^1$

素因数の和:3943

約数の個数: 32

約数和(自身を含む): 194945760

約数和(自身を除く): 108460520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3271, 3305, 5288, 6542, 6610, 13084, 13220, 16355, 26168, 26440, 32710, 65420, 130840, 2162131, 4324262, 8648524, 10810655, 17297048, 21621310, 43242620, 86485240]

約数ペア:

[(1, 86485240), (2, 43242620), (4, 21621310), (5, 17297048), (8, 10810655), (10, 8648524), (20, 4324262), (40, 2162131), (661, 130840), (1322, 65420), (2644, 32710), (3271, 26440), (3305, 26168), (5288, 16355), (6542, 13220), (6610, 13084)]