31390760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27061}}^1$

素因数の和:27101

約数の個数: 32

約数和(自身を含む): 73067400

約数和(自身を除く): 41676640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 27061, 54122, 108244, 135305, 216488, 270610, 541220, 784769, 1082440, 1569538, 3139076, 3923845, 6278152, 7847690, 15695380, 31390760]

約数ペア:

[(1, 31390760), (2, 15695380), (4, 7847690), (5, 6278152), (8, 3923845), (10, 3139076), (20, 1569538), (29, 1082440), (40, 784769), (58, 541220), (116, 270610), (145, 216488), (232, 135305), (290, 108244), (580, 54122), (1160, 27061)]