40848890

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{10501}}^1$

素因数の和:10897

約数の個数: 16

約数和(自身を含む): 73724040

約数和(自身を除く): 32875150

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 10501, 21002, 52505, 105010, 4084889, 8169778, 20424445, 40848890]

約数ペア:

[(1, 40848890), (2, 20424445), (5, 8169778), (10, 4084889), (389, 105010), (778, 52505), (1945, 21002), (3890, 10501)]