81973360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{146381}}^1$

素因数の和:146401

約数の個数: 40

約数和(自身を含む): 217816416

約数和(自身を除く): 135843056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 146381, 292762, 585524, 731905, 1024667, 1171048, 1463810, 2049334, 2342096, 2927620, 4098668, 5123335, 5855240, 8197336, 10246670, 11710480, 16394672, 20493340, 40986680, 81973360]

約数ペア:

[(1, 81973360), (2, 40986680), (4, 20493340), (5, 16394672), (7, 11710480), (8, 10246670), (10, 8197336), (14, 5855240), (16, 5123335), (20, 4098668), (28, 2927620), (35, 2342096), (40, 2049334), (56, 1463810), (70, 1171048), (80, 1024667), (112, 731905), (140, 585524), (280, 292762), (560, 146381)]