80503420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{138799}}^1$

素因数の和:138837

約数の個数: 24

約数和(自身を含む): 174888000

約数和(自身を除く): 94384580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 138799, 277598, 555196, 693995, 1387990, 2775980, 4025171, 8050342, 16100684, 20125855, 40251710, 80503420]

約数ペア:

[(1, 80503420), (2, 40251710), (4, 20125855), (5, 16100684), (10, 8050342), (20, 4025171), (29, 2775980), (58, 1387990), (116, 693995), (145, 555196), (290, 277598), (580, 138799)]