515240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1171}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 1265760

約数和(自身を除く): 750520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1171, 2342, 4684, 5855, 9368, 11710, 12881, 23420, 25762, 46840, 51524, 64405, 103048, 128810, 257620, 515240]

約数ペア:

[(1, 515240), (2, 257620), (4, 128810), (5, 103048), (8, 64405), (10, 51524), (11, 46840), (20, 25762), (22, 23420), (40, 12881), (44, 11710), (55, 9368), (88, 5855), (110, 4684), (220, 2342), (440, 1171)]