51731240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117571}}^1$

素因数の和:117593

約数の個数: 32

約数和(自身を含む): 126977760

約数和(自身を除く): 75246520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117571, 235142, 470284, 587855, 940568, 1175710, 1293281, 2351420, 2586562, 4702840, 5173124, 6466405, 10346248, 12932810, 25865620, 51731240]

約数ペア:

[(1, 51731240), (2, 25865620), (4, 12932810), (5, 10346248), (8, 6466405), (10, 5173124), (11, 4702840), (20, 2586562), (22, 2351420), (40, 1293281), (44, 1175710), (55, 940568), (88, 587855), (110, 470284), (220, 235142), (440, 117571)]