20160455240

素因数分解:

$2^3\times 5^1\times {\mathrm{3229}}^1\times {\mathrm{156089}}^1$

素因数の和:159329

約数の個数: 32

約数和(自身を含む): 45375363000

約数和(自身を除く): 25214907760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3229, 6458, 12916, 16145, 25832, 32290, 64580, 129160, 156089, 312178, 624356, 780445, 1248712, 1560890, 3121780, 6243560, 504011381, 1008022762, 2016045524, 2520056905, 4032091048, 5040113810, 10080227620, 20160455240]

約数ペア:

[(1, 20160455240), (2, 10080227620), (4, 5040113810), (5, 4032091048), (8, 2520056905), (10, 2016045524), (20, 1008022762), (40, 504011381), (3229, 6243560), (6458, 3121780), (12916, 1560890), (16145, 1248712), (25832, 780445), (32290, 624356), (64580, 312178), (129160, 156089)]