61401680

素因数分解:

$2^4\times 5^1\times {\mathrm{767521}}^1$

素因数の和:767534

約数の個数: 20

約数和(自身を含む): 142759092

約数和(自身を除く): 81357412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 767521, 1535042, 3070084, 3837605, 6140168, 7675210, 12280336, 15350420, 30700840, 61401680]

約数ペア:

[(1, 61401680), (2, 30700840), (4, 15350420), (5, 12280336), (8, 7675210), (10, 6140168), (16, 3837605), (20, 3070084), (40, 1535042), (80, 767521)]