16940440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38501}}^1$

素因数の和:38523

約数の個数: 32

約数和(自身を含む): 41582160

約数和(自身を除く): 24641720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 38501, 77002, 154004, 192505, 308008, 385010, 423511, 770020, 847022, 1540040, 1694044, 2117555, 3388088, 4235110, 8470220, 16940440]

約数ペア:

[(1, 16940440), (2, 8470220), (4, 4235110), (5, 3388088), (8, 2117555), (10, 1694044), (11, 1540040), (20, 847022), (22, 770020), (40, 423511), (44, 385010), (55, 308008), (88, 192505), (110, 154004), (220, 77002), (440, 38501)]