549231220

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{25171}}^1$

素因数の和:26271

約数の個数: 24

約数和(自身を含む): 1154488608

約数和(自身を除く): 605257388

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 4364, 5455, 10910, 21820, 25171, 50342, 100684, 125855, 251710, 503420, 27461561, 54923122, 109846244, 137307805, 274615610, 549231220]

約数ペア:

[(1, 549231220), (2, 274615610), (4, 137307805), (5, 109846244), (10, 54923122), (20, 27461561), (1091, 503420), (2182, 251710), (4364, 125855), (5455, 100684), (10910, 50342), (21820, 25171)]