2012171870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{82163}}^1$

素因数の和:82280

約数の個数: 32

約数和(自身を含む): 3786117120

約数和(自身を除く): 1773945250

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 4898, 12245, 24490, 82163, 164326, 410815, 821630, 2547053, 5094106, 6490877, 12735265, 12981754, 25470530, 32454385, 64908770, 201217187, 402434374, 1006085935, 2012171870]

約数ペア:

[(1, 2012171870), (2, 1006085935), (5, 402434374), (10, 201217187), (31, 64908770), (62, 32454385), (79, 25470530), (155, 12981754), (158, 12735265), (310, 6490877), (395, 5094106), (790, 2547053), (2449, 821630), (4898, 410815), (12245, 164326), (24490, 82163)]