2040480820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{877}}^1\times {\mathrm{16619}}^1$

素因数の和:17512

約数の個数: 48

約数和(自身を含む): 4903032960

約数和(自身を除く): 2862552140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 877, 1754, 3508, 4385, 6139, 8770, 12278, 16619, 17540, 24556, 30695, 33238, 61390, 66476, 83095, 116333, 122780, 166190, 232666, 332380, 465332, 581665, 1163330, 2326660, 14574863, 29149726, 58299452, 72874315, 102024041, 145748630, 204048082, 291497260, 408096164, 510120205, 1020240410, 2040480820]

約数ペア:

[(1, 2040480820), (2, 1020240410), (4, 510120205), (5, 408096164), (7, 291497260), (10, 204048082), (14, 145748630), (20, 102024041), (28, 72874315), (35, 58299452), (70, 29149726), (140, 14574863), (877, 2326660), (1754, 1163330), (3508, 581665), (4385, 465332), (6139, 332380), (8770, 232666), (12278, 166190), (16619, 122780), (17540, 116333), (24556, 83095), (30695, 66476), (33238, 61390)]