2542160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:795

約数の個数: 40

約数和(自身を含む): 6056160

約数和(自身を除く): 3514000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 739, 860, 1478, 1720, 2956, 3440, 3695, 5912, 7390, 11824, 14780, 29560, 31777, 59120, 63554, 127108, 158885, 254216, 317770, 508432, 635540, 1271080, 2542160]

約数ペア:

[(1, 2542160), (2, 1271080), (4, 635540), (5, 508432), (8, 317770), (10, 254216), (16, 158885), (20, 127108), (40, 63554), (43, 59120), (80, 31777), (86, 29560), (172, 14780), (215, 11824), (344, 7390), (430, 5912), (688, 3695), (739, 3440), (860, 2956), (1478, 1720)]