168424720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51349}}^1$

素因数の和:51403

約数の個数: 40

約数和(自身を含む): 401146200

約数和(自身を除く): 232721480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 51349, 102698, 205396, 256745, 410792, 513490, 821584, 1026980, 2053960, 2105309, 4107920, 4210618, 8421236, 10526545, 16842472, 21053090, 33684944, 42106180, 84212360, 168424720]

約数ペア:

[(1, 168424720), (2, 84212360), (4, 42106180), (5, 33684944), (8, 21053090), (10, 16842472), (16, 10526545), (20, 8421236), (40, 4210618), (41, 4107920), (80, 2105309), (82, 2053960), (164, 1026980), (205, 821584), (328, 513490), (410, 410792), (656, 256745), (820, 205396), (1640, 102698), (3280, 51349)]