16209220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10259}}^1$

素因数の和:10347

約数の個数: 24

約数和(自身を含む): 34473600

約数和(自身を除く): 18264380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 10259, 20518, 41036, 51295, 102590, 205180, 810461, 1620922, 3241844, 4052305, 8104610, 16209220]

約数ペア:

[(1, 16209220), (2, 8104610), (4, 4052305), (5, 3241844), (10, 1620922), (20, 810461), (79, 205180), (158, 102590), (316, 51295), (395, 41036), (790, 20518), (1580, 10259)]