81203420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{76607}}^1$

素因数の和:76669

約数の個数: 24

約数和(自身を含む): 173746944

約数和(自身を除く): 92543524

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 76607, 153214, 306428, 383035, 766070, 1532140, 4060171, 8120342, 16240684, 20300855, 40601710, 81203420]

約数ペア:

[(1, 81203420), (2, 40601710), (4, 20300855), (5, 16240684), (10, 8120342), (20, 4060171), (53, 1532140), (106, 766070), (212, 383035), (265, 306428), (530, 153214), (1060, 76607)]