16405780325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{26177}}^1$

素因数の和:26294

約数の個数: 48

約数和(自身を含む): 23138001216

約数和(自身を除く): 6732220891

約数列:

[1, 5, 11, 25, 43, 53, 55, 215, 265, 275, 473, 583, 1075, 1325, 2279, 2365, 2915, 11395, 11825, 14575, 25069, 26177, 56975, 125345, 130885, 287947, 626725, 654425, 1125611, 1387381, 1439735, 5628055, 6936905, 7198675, 12381721, 15261191, 28140275, 34684525, 59657383, 61908605, 76305955, 298286915, 309543025, 381529775, 656231213, 1491434575, 3281156065, 16405780325]

約数ペア:

[(1, 16405780325), (5, 3281156065), (11, 1491434575), (25, 656231213), (43, 381529775), (53, 309543025), (55, 298286915), (215, 76305955), (265, 61908605), (275, 59657383), (473, 34684525), (583, 28140275), (1075, 15261191), (1325, 12381721), (2279, 7198675), (2365, 6936905), (2915, 5628055), (11395, 1439735), (11825, 1387381), (14575, 1125611), (25069, 654425), (26177, 626725), (56975, 287947), (125345, 130885)]