2129240

素因数分解:

$2^3\times 5^1\times {\mathrm{53231}}^1$

素因数の和:53242

約数の個数: 16

約数和(自身を含む): 4790880

約数和(自身を除く): 2661640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53231, 106462, 212924, 266155, 425848, 532310, 1064620, 2129240]

約数ペア:

[(1, 2129240), (2, 1064620), (4, 532310), (5, 425848), (8, 266155), (10, 212924), (20, 106462), (40, 53231)]