80811290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1987}}^1$

素因数の和:2091

約数の個数: 48

約数和(自身を含む): 171333792

約数和(自身を除く): 90522502

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 166, 245, 415, 490, 581, 830, 1162, 1987, 2905, 3974, 4067, 5810, 8134, 9935, 13909, 19870, 20335, 27818, 40670, 69545, 97363, 139090, 164921, 194726, 329842, 486815, 824605, 973630, 1154447, 1649210, 2308894, 5772235, 8081129, 11544470, 16162258, 40405645, 80811290]

約数ペア:

[(1, 80811290), (2, 40405645), (5, 16162258), (7, 11544470), (10, 8081129), (14, 5772235), (35, 2308894), (49, 1649210), (70, 1154447), (83, 973630), (98, 824605), (166, 486815), (245, 329842), (415, 194726), (490, 164921), (581, 139090), (830, 97363), (1162, 69545), (1987, 40670), (2905, 27818), (3974, 20335), (4067, 19870), (5810, 13909), (8134, 9935)]