64045550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{18041}}^1$

素因数の和:18124

約数の個数: 24

約数和(自身を含む): 120809232

約数和(自身を除く): 56763682

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 18041, 36082, 90205, 180410, 451025, 902050, 1280911, 2561822, 6404555, 12809110, 32022775, 64045550]

約数ペア:

[(1, 64045550), (2, 32022775), (5, 12809110), (10, 6404555), (25, 2561822), (50, 1280911), (71, 902050), (142, 451025), (355, 180410), (710, 90205), (1775, 36082), (3550, 18041)]