16885040

素因数分解:

$2^4\times 5^1\times {\mathrm{211063}}^1$

素因数の和:211076

約数の個数: 20

約数和(自身を含む): 39257904

約数和(自身を除く): 22372864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211063, 422126, 844252, 1055315, 1688504, 2110630, 3377008, 4221260, 8442520, 16885040]

約数ペア:

[(1, 16885040), (2, 8442520), (4, 4221260), (5, 3377008), (8, 2110630), (10, 1688504), (16, 1055315), (20, 844252), (40, 422126), (80, 211063)]