8215240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18671}}^1$

素因数の和:18693

約数の個数: 32

約数和(自身を含む): 20165760

約数和(自身を除く): 11950520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18671, 37342, 74684, 93355, 149368, 186710, 205381, 373420, 410762, 746840, 821524, 1026905, 1643048, 2053810, 4107620, 8215240]

約数ペア:

[(1, 8215240), (2, 4107620), (4, 2053810), (5, 1643048), (8, 1026905), (10, 821524), (11, 746840), (20, 410762), (22, 373420), (40, 205381), (44, 186710), (55, 149368), (88, 93355), (110, 74684), (220, 37342), (440, 18671)]