1288014760

素因数分解:

$2^3\times 5^1\times {\mathrm{32200369}}^1$

素因数の和:32200380

約数の個数: 16

約数和(自身を含む): 2898033300

約数和(自身を除く): 1610018540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32200369, 64400738, 128801476, 161001845, 257602952, 322003690, 644007380, 1288014760]

約数ペア:

[(1, 1288014760), (2, 644007380), (4, 322003690), (5, 257602952), (8, 161001845), (10, 128801476), (20, 64400738), (40, 32200369)]