78507620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5039}}^1$

素因数の和:5108

約数の個数: 48

約数和(自身を含む): 177811200

約数和(自身を除く): 99303580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 5039, 7790, 10078, 15580, 20156, 25195, 50390, 95741, 100780, 191482, 206599, 382964, 413198, 478705, 826396, 957410, 1032995, 1914820, 2065990, 3925381, 4131980, 7850762, 15701524, 19626905, 39253810, 78507620]

約数ペア:

[(1, 78507620), (2, 39253810), (4, 19626905), (5, 15701524), (10, 7850762), (19, 4131980), (20, 3925381), (38, 2065990), (41, 1914820), (76, 1032995), (82, 957410), (95, 826396), (164, 478705), (190, 413198), (205, 382964), (380, 206599), (410, 191482), (779, 100780), (820, 95741), (1558, 50390), (3116, 25195), (3895, 20156), (5039, 15580), (7790, 10078)]