81373700

素因数分解:

$2^2\times 5^2\times {\mathrm{797}}^1\times {\mathrm{1021}}^1$

素因数の和:1832

約数の個数: 36

約数和(自身を含む): 176975652

約数和(自身を除く): 95601952

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 797, 1021, 1594, 2042, 3188, 3985, 4084, 5105, 7970, 10210, 15940, 19925, 20420, 25525, 39850, 51050, 79700, 102100, 813737, 1627474, 3254948, 4068685, 8137370, 16274740, 20343425, 40686850, 81373700]

約数ペア:

[(1, 81373700), (2, 40686850), (4, 20343425), (5, 16274740), (10, 8137370), (20, 4068685), (25, 3254948), (50, 1627474), (100, 813737), (797, 102100), (1021, 79700), (1594, 51050), (2042, 39850), (3188, 25525), (3985, 20420), (4084, 19925), (5105, 15940), (7970, 10210)]