2100695320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{664777}}^1$

素因数の和:664867

約数の個数: 32

約数和(自身を含む): 4786401600

約数和(自身を除く): 2685706280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 664777, 1329554, 2659108, 3323885, 5318216, 6647770, 13295540, 26591080, 52517383, 105034766, 210069532, 262586915, 420139064, 525173830, 1050347660, 2100695320]

約数ペア:

[(1, 2100695320), (2, 1050347660), (4, 525173830), (5, 420139064), (8, 262586915), (10, 210069532), (20, 105034766), (40, 52517383), (79, 26591080), (158, 13295540), (316, 6647770), (395, 5318216), (632, 3323885), (790, 2659108), (1580, 1329554), (3160, 664777)]