52638020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 114457728

約数和(自身を除く): 61819708

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 430, 485, 631, 860, 970, 1262, 1940, 2524, 3155, 4171, 6310, 8342, 12620, 16684, 20855, 27133, 41710, 54266, 61207, 83420, 108532, 122414, 135665, 244828, 271330, 306035, 542660, 612070, 1224140, 2631901, 5263802, 10527604, 13159505, 26319010, 52638020]

約数ペア:

[(1, 52638020), (2, 26319010), (4, 13159505), (5, 10527604), (10, 5263802), (20, 2631901), (43, 1224140), (86, 612070), (97, 542660), (172, 306035), (194, 271330), (215, 244828), (388, 135665), (430, 122414), (485, 108532), (631, 83420), (860, 61207), (970, 54266), (1262, 41710), (1940, 27133), (2524, 20855), (3155, 16684), (4171, 12620), (6310, 8342)]