194919040

素因数分解:

$2^7\times 5^1\times {\mathrm{304561}}^1$

素因数の和:304580

約数の個数: 32

約数和(自身を含む): 465979860

約数和(自身を除く): 271060820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 304561, 609122, 1218244, 1522805, 2436488, 3045610, 4872976, 6091220, 9745952, 12182440, 19491904, 24364880, 38983808, 48729760, 97459520, 194919040]

約数ペア:

[(1, 194919040), (2, 97459520), (4, 48729760), (5, 38983808), (8, 24364880), (10, 19491904), (16, 12182440), (20, 9745952), (32, 6091220), (40, 4872976), (64, 3045610), (80, 2436488), (128, 1522805), (160, 1218244), (320, 609122), (640, 304561)]