2040375020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{15427}}^1$

素因数の和:15842

約数の個数: 48

約数和(自身を含む): 4548791520

約数和(自身を除く): 2508416500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 389, 778, 1556, 1945, 3890, 6613, 7780, 13226, 15427, 26452, 30854, 33065, 61708, 66130, 77135, 132260, 154270, 262259, 308540, 524518, 1049036, 1311295, 2622590, 5245180, 6001103, 12002206, 24004412, 30005515, 60011030, 102018751, 120022060, 204037502, 408075004, 510093755, 1020187510, 2040375020]

約数ペア:

[(1, 2040375020), (2, 1020187510), (4, 510093755), (5, 408075004), (10, 204037502), (17, 120022060), (20, 102018751), (34, 60011030), (68, 30005515), (85, 24004412), (170, 12002206), (340, 6001103), (389, 5245180), (778, 2622590), (1556, 1311295), (1945, 1049036), (3890, 524518), (6613, 308540), (7780, 262259), (13226, 154270), (15427, 132260), (26452, 77135), (30854, 66130), (33065, 61708)]