2138840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4861}}^1$

素因数の和:4883

約数の個数: 32

約数和(自身を含む): 5250960

約数和(自身を除く): 3112120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4861, 9722, 19444, 24305, 38888, 48610, 53471, 97220, 106942, 194440, 213884, 267355, 427768, 534710, 1069420, 2138840]

約数ペア:

[(1, 2138840), (2, 1069420), (4, 534710), (5, 427768), (8, 267355), (10, 213884), (11, 194440), (20, 106942), (22, 97220), (40, 53471), (44, 48610), (55, 38888), (88, 24305), (110, 19444), (220, 9722), (440, 4861)]