2017882120

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{2557}}^1$

素因数の和:2858

約数の個数: 64

約数和(自身を含む): 4609004400

約数和(自身を除く): 2591122280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 181, 218, 362, 436, 545, 724, 872, 905, 1090, 1448, 1810, 2180, 2557, 3620, 4360, 5114, 7240, 10228, 12785, 19729, 20456, 25570, 39458, 51140, 78916, 98645, 102280, 157832, 197290, 278713, 394580, 462817, 557426, 789160, 925634, 1114852, 1393565, 1851268, 2229704, 2314085, 2787130, 3702536, 4628170, 5574260, 9256340, 11148520, 18512680, 50447053, 100894106, 201788212, 252235265, 403576424, 504470530, 1008941060, 2017882120]

約数ペア:

[(1, 2017882120), (2, 1008941060), (4, 504470530), (5, 403576424), (8, 252235265), (10, 201788212), (20, 100894106), (40, 50447053), (109, 18512680), (181, 11148520), (218, 9256340), (362, 5574260), (436, 4628170), (545, 3702536), (724, 2787130), (872, 2314085), (905, 2229704), (1090, 1851268), (1448, 1393565), (1810, 1114852), (2180, 925634), (2557, 789160), (3620, 557426), (4360, 462817), (5114, 394580), (7240, 278713), (10228, 197290), (12785, 157832), (19729, 102280), (20456, 98645), (25570, 78916), (39458, 51140)]