2016081580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1276001}}^1$

素因数の和:1276089

約数の個数: 24

約数和(自身を含む): 4287366720

約数和(自身を除く): 2271285140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1276001, 2552002, 5104004, 6380005, 12760010, 25520020, 100804079, 201608158, 403216316, 504020395, 1008040790, 2016081580]

約数ペア:

[(1, 2016081580), (2, 1008040790), (4, 504020395), (5, 403216316), (10, 201608158), (20, 100804079), (79, 25520020), (158, 12760010), (316, 6380005), (395, 5104004), (790, 2552002), (1580, 1276001)]