8188840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 20684160

約数和(自身を除く): 12495320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 503, 740, 814, 1006, 1480, 1628, 2012, 2035, 2515, 3256, 4024, 4070, 5030, 5533, 8140, 10060, 11066, 16280, 18611, 20120, 22132, 27665, 37222, 44264, 55330, 74444, 93055, 110660, 148888, 186110, 204721, 221320, 372220, 409442, 744440, 818884, 1023605, 1637768, 2047210, 4094420, 8188840]

約数ペア:

[(1, 8188840), (2, 4094420), (4, 2047210), (5, 1637768), (8, 1023605), (10, 818884), (11, 744440), (20, 409442), (22, 372220), (37, 221320), (40, 204721), (44, 186110), (55, 148888), (74, 110660), (88, 93055), (110, 74444), (148, 55330), (185, 44264), (220, 37222), (296, 27665), (370, 22132), (407, 20120), (440, 18611), (503, 16280), (740, 11066), (814, 10060), (1006, 8140), (1480, 5533), (1628, 5030), (2012, 4070), (2035, 4024), (2515, 3256)]