71865320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29453}}^1$

素因数の和:29525

約数の個数: 32

約数和(自身を含む): 164353320

約数和(自身を除く): 92488000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 29453, 58906, 117812, 147265, 235624, 294530, 589060, 1178120, 1796633, 3593266, 7186532, 8983165, 14373064, 17966330, 35932660, 71865320]

約数ペア:

[(1, 71865320), (2, 35932660), (4, 17966330), (5, 14373064), (8, 8983165), (10, 7186532), (20, 3593266), (40, 1796633), (61, 1178120), (122, 589060), (244, 294530), (305, 235624), (488, 147265), (610, 117812), (1220, 58906), (2440, 29453)]