51315770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 108725760

約数和(自身を除く): 57409990

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 43, 55, 86, 95, 110, 190, 209, 215, 418, 430, 473, 571, 817, 946, 1045, 1142, 1634, 2090, 2365, 2855, 4085, 4730, 5710, 6281, 8170, 8987, 10849, 12562, 17974, 21698, 24553, 31405, 44935, 49106, 54245, 62810, 89870, 108490, 119339, 122765, 238678, 245530, 270083, 466507, 540166, 596695, 933014, 1193390, 1350415, 2332535, 2700830, 4665070, 5131577, 10263154, 25657885, 51315770]

約数ペア:

[(1, 51315770), (2, 25657885), (5, 10263154), (10, 5131577), (11, 4665070), (19, 2700830), (22, 2332535), (38, 1350415), (43, 1193390), (55, 933014), (86, 596695), (95, 540166), (110, 466507), (190, 270083), (209, 245530), (215, 238678), (418, 122765), (430, 119339), (473, 108490), (571, 89870), (817, 62810), (946, 54245), (1045, 49106), (1142, 44935), (1634, 31405), (2090, 24553), (2365, 21698), (2855, 17974), (4085, 12562), (4730, 10849), (5710, 8987), (6281, 8170)]