81386080

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2281}}^1$

素因数の和:2519

約数の個数: 48

約数和(自身を含む): 193221504

約数和(自身を除く): 111835424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1784, 2230, 2281, 3568, 4460, 4562, 7136, 8920, 9124, 11405, 17840, 18248, 22810, 35680, 36496, 45620, 72992, 91240, 182480, 364960, 508663, 1017326, 2034652, 2543315, 4069304, 5086630, 8138608, 10173260, 16277216, 20346520, 40693040, 81386080]

約数ペア:

[(1, 81386080), (2, 40693040), (4, 20346520), (5, 16277216), (8, 10173260), (10, 8138608), (16, 5086630), (20, 4069304), (32, 2543315), (40, 2034652), (80, 1017326), (160, 508663), (223, 364960), (446, 182480), (892, 91240), (1115, 72992), (1784, 45620), (2230, 36496), (2281, 35680), (3568, 22810), (4460, 18248), (4562, 17840), (7136, 11405), (8920, 9124)]