57328840

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6427}}^1$

素因数の和:6661

約数の個数: 32

約数和(自身を含む): 129588480

約数和(自身を除く): 72259640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 6427, 8920, 12854, 25708, 32135, 51416, 64270, 128540, 257080, 1433221, 2866442, 5732884, 7166105, 11465768, 14332210, 28664420, 57328840]

約数ペア:

[(1, 57328840), (2, 28664420), (4, 14332210), (5, 11465768), (8, 7166105), (10, 5732884), (20, 2866442), (40, 1433221), (223, 257080), (446, 128540), (892, 64270), (1115, 51416), (1784, 32135), (2230, 25708), (4460, 12854), (6427, 8920)]