85850005

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 111974400

約数和(自身を除く): 26124395

約数列:

[1, 5, 29, 31, 71, 145, 155, 269, 355, 899, 1345, 2059, 2201, 4495, 7801, 8339, 10295, 11005, 19099, 39005, 41695, 63829, 95495, 241831, 319145, 553871, 592069, 1209155, 2769355, 2960345, 17170001, 85850005]

約数ペア:

[(1, 85850005), (5, 17170001), (29, 2960345), (31, 2769355), (71, 1209155), (145, 592069), (155, 553871), (269, 319145), (355, 241831), (899, 95495), (1345, 63829), (2059, 41695), (2201, 39005), (4495, 19099), (7801, 11005), (8339, 10295)]