77809640

素因数分解:

$2^3\times 5^1\times {\mathrm{1367}}^1\times {\mathrm{1423}}^1$

素因数の和:2801

約数の個数: 32

約数和(自身を含む): 175322880

約数和(自身を除く): 97513240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1367, 1423, 2734, 2846, 5468, 5692, 6835, 7115, 10936, 11384, 13670, 14230, 27340, 28460, 54680, 56920, 1945241, 3890482, 7780964, 9726205, 15561928, 19452410, 38904820, 77809640]

約数ペア:

[(1, 77809640), (2, 38904820), (4, 19452410), (5, 15561928), (8, 9726205), (10, 7780964), (20, 3890482), (40, 1945241), (1367, 56920), (1423, 54680), (2734, 28460), (2846, 27340), (5468, 14230), (5692, 13670), (6835, 11384), (7115, 10936)]