2261505320

素因数分解:

$2^3\times 5^1\times {\mathrm{3511}}^1\times {\mathrm{16103}}^1$

素因数の和:19625

約数の個数: 32

約数和(自身を含む): 5090152320

約数和(自身を除く): 2828647000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3511, 7022, 14044, 16103, 17555, 28088, 32206, 35110, 64412, 70220, 80515, 128824, 140440, 161030, 322060, 644120, 56537633, 113075266, 226150532, 282688165, 452301064, 565376330, 1130752660, 2261505320]

約数ペア:

[(1, 2261505320), (2, 1130752660), (4, 565376330), (5, 452301064), (8, 282688165), (10, 226150532), (20, 113075266), (40, 56537633), (3511, 644120), (7022, 322060), (14044, 161030), (16103, 140440), (17555, 128824), (28088, 80515), (32206, 70220), (35110, 64412)]