28930640

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3511}}^1$

素因数の和:3627

約数の個数: 40

約数和(自身を含む): 67936128

約数和(自身を除く): 39005488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 3511, 4120, 7022, 8240, 14044, 17555, 28088, 35110, 56176, 70220, 140440, 280880, 361633, 723266, 1446532, 1808165, 2893064, 3616330, 5786128, 7232660, 14465320, 28930640]

約数ペア:

[(1, 28930640), (2, 14465320), (4, 7232660), (5, 5786128), (8, 3616330), (10, 2893064), (16, 1808165), (20, 1446532), (40, 723266), (80, 361633), (103, 280880), (206, 140440), (412, 70220), (515, 56176), (824, 35110), (1030, 28088), (1648, 17555), (2060, 14044), (3511, 8240), (4120, 7022)]