40651480

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2879}}^1$

素因数の和:3243

約数の個数: 32

約数和(自身を含む): 91756800

約数和(自身を除く): 51105320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 2879, 3530, 5758, 7060, 11516, 14120, 14395, 23032, 28790, 57580, 115160, 1016287, 2032574, 4065148, 5081435, 8130296, 10162870, 20325740, 40651480]

約数ペア:

[(1, 40651480), (2, 20325740), (4, 10162870), (5, 8130296), (8, 5081435), (10, 4065148), (20, 2032574), (40, 1016287), (353, 115160), (706, 57580), (1412, 28790), (1765, 23032), (2824, 14395), (2879, 14120), (3530, 11516), (5758, 7060)]