84212360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51349}}^1$

素因数の和:51401

約数の個数: 32

約数和(自身を含む): 194103000

約数和(自身を除く): 109890640

約数列:

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

約数ペア:

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