22180040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7019}}^1$

素因数の和:7109

約数の個数: 32

約数和(自身を含む): 50544000

約数和(自身を除く): 28363960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 7019, 14038, 28076, 35095, 56152, 70190, 140380, 280760, 554501, 1109002, 2218004, 2772505, 4436008, 5545010, 11090020, 22180040]

約数ペア:

[(1, 22180040), (2, 11090020), (4, 5545010), (5, 4436008), (8, 2772505), (10, 2218004), (20, 1109002), (40, 554501), (79, 280760), (158, 140380), (316, 70190), (395, 56152), (632, 35095), (790, 28076), (1580, 14038), (3160, 7019)]