13056040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 31752000

約数和(自身を除く): 18695960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 419, 760, 779, 820, 838, 1558, 1640, 1676, 2095, 3116, 3352, 3895, 4190, 6232, 7790, 7961, 8380, 15580, 15922, 16760, 17179, 31160, 31844, 34358, 39805, 63688, 68716, 79610, 85895, 137432, 159220, 171790, 318440, 326401, 343580, 652802, 687160, 1305604, 1632005, 2611208, 3264010, 6528020, 13056040]

約数ペア:

[(1, 13056040), (2, 6528020), (4, 3264010), (5, 2611208), (8, 1632005), (10, 1305604), (19, 687160), (20, 652802), (38, 343580), (40, 326401), (41, 318440), (76, 171790), (82, 159220), (95, 137432), (152, 85895), (164, 79610), (190, 68716), (205, 63688), (328, 39805), (380, 34358), (410, 31844), (419, 31160), (760, 17179), (779, 16760), (820, 15922), (838, 15580), (1558, 8380), (1640, 7961), (1676, 7790), (2095, 6232), (3116, 4190), (3352, 3895)]