8857120

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 21106008

約数和(自身を除く): 12248888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 281, 394, 562, 788, 985, 1124, 1405, 1576, 1970, 2248, 2810, 3152, 3940, 4496, 5620, 6304, 7880, 8992, 11240, 15760, 22480, 31520, 44960, 55357, 110714, 221428, 276785, 442856, 553570, 885712, 1107140, 1771424, 2214280, 4428560, 8857120]

約数ペア:

[(1, 8857120), (2, 4428560), (4, 2214280), (5, 1771424), (8, 1107140), (10, 885712), (16, 553570), (20, 442856), (32, 276785), (40, 221428), (80, 110714), (160, 55357), (197, 44960), (281, 31520), (394, 22480), (562, 15760), (788, 11240), (985, 8992), (1124, 7880), (1405, 6304), (1576, 5620), (1970, 4496), (2248, 3940), (2810, 3152)]