80507600

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4909}}^1$

素因数の和:4968

約数の個数: 60

約数和(自身を含む): 198177420

約数和(自身を除く): 117669820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 4909, 8200, 9818, 16400, 19636, 24545, 39272, 49090, 78544, 98180, 122725, 196360, 201269, 245450, 392720, 402538, 490900, 805076, 981800, 1006345, 1610152, 1963600, 2012690, 3220304, 4025380, 5031725, 8050760, 10063450, 16101520, 20126900, 40253800, 80507600]

約数ペア:

[(1, 80507600), (2, 40253800), (4, 20126900), (5, 16101520), (8, 10063450), (10, 8050760), (16, 5031725), (20, 4025380), (25, 3220304), (40, 2012690), (41, 1963600), (50, 1610152), (80, 1006345), (82, 981800), (100, 805076), (164, 490900), (200, 402538), (205, 392720), (328, 245450), (400, 201269), (410, 196360), (656, 122725), (820, 98180), (1025, 78544), (1640, 49090), (2050, 39272), (3280, 24545), (4100, 19636), (4909, 16400), (8200, 9818)]