29728940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17909}}^1$

素因数の和:18001

約数の個数: 24

約数和(自身を含む): 63186480

約数和(自身を除く): 33457540

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17909, 35818, 71636, 89545, 179090, 358180, 1486447, 2972894, 5945788, 7432235, 14864470, 29728940]

約数ペア:

[(1, 29728940), (2, 14864470), (4, 7432235), (5, 5945788), (10, 2972894), (20, 1486447), (83, 358180), (166, 179090), (332, 89545), (415, 71636), (830, 35818), (1660, 17909)]