16605040

素因数分解:

$2^4\times 5^1\times {\mathrm{207563}}^1$

素因数の和:207576

約数の個数: 20

約数和(自身を含む): 38606904

約数和(自身を除く): 22001864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 207563, 415126, 830252, 1037815, 1660504, 2075630, 3321008, 4151260, 8302520, 16605040]

約数ペア:

[(1, 16605040), (2, 8302520), (4, 4151260), (5, 3321008), (8, 2075630), (10, 1660504), (16, 1037815), (20, 830252), (40, 415126), (80, 207563)]