9936440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 23522400

約数和(自身を除く): 13585960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 109, 172, 212, 215, 218, 265, 344, 424, 430, 436, 530, 545, 860, 872, 1060, 1090, 1720, 2120, 2180, 2279, 4360, 4558, 4687, 5777, 9116, 9374, 11395, 11554, 18232, 18748, 22790, 23108, 23435, 28885, 37496, 45580, 46216, 46870, 57770, 91160, 93740, 115540, 187480, 231080, 248411, 496822, 993644, 1242055, 1987288, 2484110, 4968220, 9936440]

約数ペア:

[(1, 9936440), (2, 4968220), (4, 2484110), (5, 1987288), (8, 1242055), (10, 993644), (20, 496822), (40, 248411), (43, 231080), (53, 187480), (86, 115540), (106, 93740), (109, 91160), (172, 57770), (212, 46870), (215, 46216), (218, 45580), (265, 37496), (344, 28885), (424, 23435), (430, 23108), (436, 22790), (530, 18748), (545, 18232), (860, 11554), (872, 11395), (1060, 9374), (1090, 9116), (1720, 5777), (2120, 4687), (2180, 4558), (2279, 4360)]