72065980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{514757}}^1$

素因数の和:514773

約数の個数: 24

約数和(自身を含む): 172958688

約数和(自身を除く): 100892708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 514757, 1029514, 2059028, 2573785, 3603299, 5147570, 7206598, 10295140, 14413196, 18016495, 36032990, 72065980]

約数ペア:

[(1, 72065980), (2, 36032990), (4, 18016495), (5, 14413196), (7, 10295140), (10, 7206598), (14, 5147570), (20, 3603299), (28, 2573785), (35, 2059028), (70, 1029514), (140, 514757)]