80137240

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{3413}}^1$

素因数の和:4011

約数の個数: 32

約数和(自身を含む): 180668880

約数和(自身を除く): 100531640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 1174, 2348, 2935, 3413, 4696, 5870, 6826, 11740, 13652, 17065, 23480, 27304, 34130, 68260, 136520, 2003431, 4006862, 8013724, 10017155, 16027448, 20034310, 40068620, 80137240]

約数ペア:

[(1, 80137240), (2, 40068620), (4, 20034310), (5, 16027448), (8, 10017155), (10, 8013724), (20, 4006862), (40, 2003431), (587, 136520), (1174, 68260), (2348, 34130), (2935, 27304), (3413, 23480), (4696, 17065), (5870, 13652), (6826, 11740)]