51661840

素因数分解:

$2^4\times 5^1\times {\mathrm{733}}^1\times {\mathrm{881}}^1$

素因数の和:1627

約数の個数: 40

約数和(自身を含む): 120414168

約数和(自身を除く): 68752328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 733, 881, 1466, 1762, 2932, 3524, 3665, 4405, 5864, 7048, 7330, 8810, 11728, 14096, 14660, 17620, 29320, 35240, 58640, 70480, 645773, 1291546, 2583092, 3228865, 5166184, 6457730, 10332368, 12915460, 25830920, 51661840]

約数ペア:

[(1, 51661840), (2, 25830920), (4, 12915460), (5, 10332368), (8, 6457730), (10, 5166184), (16, 3228865), (20, 2583092), (40, 1291546), (80, 645773), (733, 70480), (881, 58640), (1466, 35240), (1762, 29320), (2932, 17620), (3524, 14660), (3665, 14096), (4405, 11728), (5864, 8810), (7048, 7330)]