2554160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4561}}^1$

素因数の和:4581

約数の個数: 40

約数和(自身を含む): 6788256

約数和(自身を除く): 4234096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4561, 9122, 18244, 22805, 31927, 36488, 45610, 63854, 72976, 91220, 127708, 159635, 182440, 255416, 319270, 364880, 510832, 638540, 1277080, 2554160]

約数ペア:

[(1, 2554160), (2, 1277080), (4, 638540), (5, 510832), (7, 364880), (8, 319270), (10, 255416), (14, 182440), (16, 159635), (20, 127708), (28, 91220), (35, 72976), (40, 63854), (56, 45610), (70, 36488), (80, 31927), (112, 22805), (140, 18244), (280, 9122), (560, 4561)]