105481520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{32159}}^1$

素因数の和:32213

約数の個数: 40

約数和(自身を含む): 251233920

約数和(自身を除く): 145752400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 32159, 64318, 128636, 160795, 257272, 321590, 514544, 643180, 1286360, 1318519, 2572720, 2637038, 5274076, 6592595, 10548152, 13185190, 21096304, 26370380, 52740760, 105481520]

約数ペア:

[(1, 105481520), (2, 52740760), (4, 26370380), (5, 21096304), (8, 13185190), (10, 10548152), (16, 6592595), (20, 5274076), (40, 2637038), (41, 2572720), (80, 1318519), (82, 1286360), (164, 643180), (205, 514544), (328, 321590), (410, 257272), (656, 160795), (820, 128636), (1640, 64318), (3280, 32159)]