1987480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4517}}^1$

素因数の和:4539

約数の個数: 32

約数和(自身を含む): 4879440

約数和(自身を除く): 2891960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4517, 9034, 18068, 22585, 36136, 45170, 49687, 90340, 99374, 180680, 198748, 248435, 397496, 496870, 993740, 1987480]

約数ペア:

[(1, 1987480), (2, 993740), (4, 496870), (5, 397496), (8, 248435), (10, 198748), (11, 180680), (20, 99374), (22, 90340), (40, 49687), (44, 45170), (55, 36136), (88, 22585), (110, 18068), (220, 9034), (440, 4517)]