19555040

素因数分解:

$2^5\times 5^1\times {\mathrm{122219}}^1$

素因数の和:122234

約数の個数: 24

約数和(自身を含む): 46199160

約数和(自身を除く): 26644120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 122219, 244438, 488876, 611095, 977752, 1222190, 1955504, 2444380, 3911008, 4888760, 9777520, 19555040]

約数ペア:

[(1, 19555040), (2, 9777520), (4, 4888760), (5, 3911008), (8, 2444380), (10, 1955504), (16, 1222190), (20, 977752), (32, 611095), (40, 488876), (80, 244438), (160, 122219)]