2005399630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{2467}}^1$

素因数の和:2550

約数の個数: 64

約数和(自身を含む): 4017706560

約数和(自身を除く): 2012306930

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 169, 185, 338, 370, 481, 845, 962, 1690, 2197, 2405, 2467, 4394, 4810, 4934, 6253, 10985, 12335, 12506, 21970, 24670, 31265, 32071, 62530, 64142, 81289, 91279, 160355, 162578, 182558, 320710, 406445, 416923, 456395, 812890, 833846, 912790, 1186627, 2084615, 2373254, 4169230, 5419999, 5933135, 10839998, 11866270, 15426151, 27099995, 30852302, 54199990, 77130755, 154261510, 200539963, 401079926, 1002699815, 2005399630]

約数ペア:

[(1, 2005399630), (2, 1002699815), (5, 401079926), (10, 200539963), (13, 154261510), (26, 77130755), (37, 54199990), (65, 30852302), (74, 27099995), (130, 15426151), (169, 11866270), (185, 10839998), (338, 5933135), (370, 5419999), (481, 4169230), (845, 2373254), (962, 2084615), (1690, 1186627), (2197, 912790), (2405, 833846), (2467, 812890), (4394, 456395), (4810, 416923), (4934, 406445), (6253, 320710), (10985, 182558), (12335, 162578), (12506, 160355), (21970, 91279), (24670, 81289), (31265, 64142), (32071, 62530)]