2871004040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1176641}}^1$

素因数の和:1176713

約数の個数: 32

約数和(自身を含む): 6565662360

約数和(自身を除く): 3694658320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 1176641, 2353282, 4706564, 5883205, 9413128, 11766410, 23532820, 47065640, 71775101, 143550202, 287100404, 358875505, 574200808, 717751010, 1435502020, 2871004040]

約数ペア:

[(1, 2871004040), (2, 1435502020), (4, 717751010), (5, 574200808), (8, 358875505), (10, 287100404), (20, 143550202), (40, 71775101), (61, 47065640), (122, 23532820), (244, 11766410), (305, 9413128), (488, 5883205), (610, 4706564), (1220, 2353282), (2440, 1176641)]