79254520

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3803}}^1$

素因数の和:4335

約数の個数: 32

約数和(自身を含む): 178711920

約数和(自身を除く): 99457400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 3803, 4168, 5210, 7606, 10420, 15212, 19015, 20840, 30424, 38030, 76060, 152120, 1981363, 3962726, 7925452, 9906815, 15850904, 19813630, 39627260, 79254520]

約数ペア:

[(1, 79254520), (2, 39627260), (4, 19813630), (5, 15850904), (8, 9906815), (10, 7925452), (20, 3962726), (40, 1981363), (521, 152120), (1042, 76060), (2084, 38030), (2605, 30424), (3803, 20840), (4168, 19015), (5210, 15212), (7606, 10420)]