66565220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3911}}^1$

素因数の和:3980

約数の個数: 48

約数和(自身を含む): 149845248

約数和(自身を除く): 83280028

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 3404, 3911, 4255, 7822, 8510, 15644, 17020, 19555, 39110, 78220, 89953, 144707, 179906, 289414, 359812, 449765, 578828, 723535, 899530, 1447070, 1799060, 2894140, 3328261, 6656522, 13313044, 16641305, 33282610, 66565220]

約数ペア:

[(1, 66565220), (2, 33282610), (4, 16641305), (5, 13313044), (10, 6656522), (20, 3328261), (23, 2894140), (37, 1799060), (46, 1447070), (74, 899530), (92, 723535), (115, 578828), (148, 449765), (185, 359812), (230, 289414), (370, 179906), (460, 144707), (740, 89953), (851, 78220), (1702, 39110), (3404, 19555), (3911, 17020), (4255, 15644), (7822, 8510)]