27956440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13187}}^1$

素因数の和:13251

約数の個数: 32

約数和(自身を含む): 64093680

約数和(自身を除く): 36137240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13187, 26374, 52748, 65935, 105496, 131870, 263740, 527480, 698911, 1397822, 2795644, 3494555, 5591288, 6989110, 13978220, 27956440]

約数ペア:

[(1, 27956440), (2, 13978220), (4, 6989110), (5, 5591288), (8, 3494555), (10, 2795644), (20, 1397822), (40, 698911), (53, 527480), (106, 263740), (212, 131870), (265, 105496), (424, 65935), (530, 52748), (1060, 26374), (2120, 13187)]