28263740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23167}}^1$

素因数の和:23237

約数の個数: 24

約数和(自身を含む): 60329472

約数和(自身を除く): 32065732

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 23167, 46334, 92668, 115835, 231670, 463340, 1413187, 2826374, 5652748, 7065935, 14131870, 28263740]

約数ペア:

[(1, 28263740), (2, 14131870), (4, 7065935), (5, 5652748), (10, 2826374), (20, 1413187), (61, 463340), (122, 231670), (244, 115835), (305, 92668), (610, 46334), (1220, 23167)]