90559160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{55219}}^1$

素因数の和:55271

約数の個数: 32

約数和(自身を含む): 208731600

約数和(自身を除く): 118172440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 55219, 110438, 220876, 276095, 441752, 552190, 1104380, 2208760, 2263979, 4527958, 9055916, 11319895, 18111832, 22639790, 45279580, 90559160]

約数ペア:

[(1, 90559160), (2, 45279580), (4, 22639790), (5, 18111832), (8, 11319895), (10, 9055916), (20, 4527958), (40, 2263979), (41, 2208760), (82, 1104380), (164, 552190), (205, 441752), (328, 276095), (410, 220876), (820, 110438), (1640, 55219)]