74869640

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{6661}}^1$

素因数の和:6953

約数の個数: 32

約数和(自身を含む): 169081560

約数和(自身を除く): 94211920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 6661, 11240, 13322, 26644, 33305, 53288, 66610, 133220, 266440, 1871741, 3743482, 7486964, 9358705, 14973928, 18717410, 37434820, 74869640]

約数ペア:

[(1, 74869640), (2, 37434820), (4, 18717410), (5, 14973928), (8, 9358705), (10, 7486964), (20, 3743482), (40, 1871741), (281, 266440), (562, 133220), (1124, 66610), (1405, 53288), (2248, 33305), (2810, 26644), (5620, 13322), (6661, 11240)]