4147720

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1069}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 9437400

約数和(自身を除く): 5289680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1069, 1940, 2138, 3880, 4276, 5345, 8552, 10690, 21380, 42760, 103693, 207386, 414772, 518465, 829544, 1036930, 2073860, 4147720]

約数ペア:

[(1, 4147720), (2, 2073860), (4, 1036930), (5, 829544), (8, 518465), (10, 414772), (20, 207386), (40, 103693), (97, 42760), (194, 21380), (388, 10690), (485, 8552), (776, 5345), (970, 4276), (1069, 3880), (1940, 2138)]