28618340

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1511}}^1$

素因数の和:2467

約数の個数: 24

約数和(自身を含む): 60201792

約数和(自身を除く): 31583452

約数列:

[1, 2, 4, 5, 10, 20, 947, 1511, 1894, 3022, 3788, 4735, 6044, 7555, 9470, 15110, 18940, 30220, 1430917, 2861834, 5723668, 7154585, 14309170, 28618340]

約数ペア:

[(1, 28618340), (2, 14309170), (4, 7154585), (5, 5723668), (10, 2861834), (20, 1430917), (947, 30220), (1511, 18940), (1894, 15110), (3022, 9470), (3788, 7555), (4735, 6044)]