2007509720

素因数分解:

$2^3\times 5^1\times {\mathrm{8563}}^1\times {\mathrm{5861}}^1$

素因数の和:14435

約数の個数: 32

約数和(自身を含む): 4518195120

約数和(自身を除く): 2510685400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5861, 8563, 11722, 17126, 23444, 29305, 34252, 42815, 46888, 58610, 68504, 85630, 117220, 171260, 234440, 342520, 50187743, 100375486, 200750972, 250938715, 401501944, 501877430, 1003754860, 2007509720]

約数ペア:

[(1, 2007509720), (2, 1003754860), (4, 501877430), (5, 401501944), (8, 250938715), (10, 200750972), (20, 100375486), (40, 50187743), (5861, 342520), (8563, 234440), (11722, 171260), (17126, 117220), (23444, 85630), (29305, 68504), (34252, 58610), (42815, 46888)]