2851760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:885

約数の個数: 40

約数和(自身を含む): 6792720

約数和(自身を除く): 3940960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 829, 860, 1658, 1720, 3316, 3440, 4145, 6632, 8290, 13264, 16580, 33160, 35647, 66320, 71294, 142588, 178235, 285176, 356470, 570352, 712940, 1425880, 2851760]

約数ペア:

[(1, 2851760), (2, 1425880), (4, 712940), (5, 570352), (8, 356470), (10, 285176), (16, 178235), (20, 142588), (40, 71294), (43, 66320), (80, 35647), (86, 33160), (172, 16580), (215, 13264), (344, 8290), (430, 6632), (688, 4145), (829, 3440), (860, 3316), (1658, 1720)]