55213040

素因数分解:

$2^4\times 5^1\times {\mathrm{690163}}^1$

素因数の和:690176

約数の個数: 20

約数和(自身を含む): 128370504

約数和(自身を除く): 73157464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 690163, 1380326, 2760652, 3450815, 5521304, 6901630, 11042608, 13803260, 27606520, 55213040]

約数ペア:

[(1, 55213040), (2, 27606520), (4, 13803260), (5, 11042608), (8, 6901630), (10, 5521304), (16, 3450815), (20, 2760652), (40, 1380326), (80, 690163)]