79667920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 192362688

約数和(自身を除く): 112694768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 107, 164, 205, 214, 227, 328, 410, 428, 454, 535, 656, 820, 856, 908, 1070, 1135, 1640, 1712, 1816, 2140, 2270, 3280, 3632, 4280, 4387, 4540, 8560, 8774, 9080, 9307, 17548, 18160, 18614, 21935, 24289, 35096, 37228, 43870, 46535, 48578, 70192, 74456, 87740, 93070, 97156, 121445, 148912, 175480, 186140, 194312, 242890, 350960, 372280, 388624, 485780, 744560, 971560, 995849, 1943120, 1991698, 3983396, 4979245, 7966792, 9958490, 15933584, 19916980, 39833960, 79667920]

約数ペア:

[(1, 79667920), (2, 39833960), (4, 19916980), (5, 15933584), (8, 9958490), (10, 7966792), (16, 4979245), (20, 3983396), (40, 1991698), (41, 1943120), (80, 995849), (82, 971560), (107, 744560), (164, 485780), (205, 388624), (214, 372280), (227, 350960), (328, 242890), (410, 194312), (428, 186140), (454, 175480), (535, 148912), (656, 121445), (820, 97156), (856, 93070), (908, 87740), (1070, 74456), (1135, 70192), (1640, 48578), (1712, 46535), (1816, 43870), (2140, 37228), (2270, 35096), (3280, 24289), (3632, 21935), (4280, 18614), (4387, 18160), (4540, 17548), (8560, 9307), (8774, 9080)]