89901520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{27409}}^1$

素因数の和:27463

約数の個数: 40

約数和(自身を含む): 214126920

約数和(自身を除く): 124225400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 27409, 54818, 109636, 137045, 219272, 274090, 438544, 548180, 1096360, 1123769, 2192720, 2247538, 4495076, 5618845, 8990152, 11237690, 17980304, 22475380, 44950760, 89901520]

約数ペア:

[(1, 89901520), (2, 44950760), (4, 22475380), (5, 17980304), (8, 11237690), (10, 8990152), (16, 5618845), (20, 4495076), (40, 2247538), (41, 2192720), (80, 1123769), (82, 1096360), (164, 548180), (205, 438544), (328, 274090), (410, 219272), (656, 137045), (820, 109636), (1640, 54818), (3280, 27409)]