79104020

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4889}}^1$

素因数の和:5707

約数の個数: 24

約数和(自身を含む): 166357800

約数和(自身を除く): 87253780

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 4889, 8090, 9778, 16180, 19556, 24445, 48890, 97780, 3955201, 7910402, 15820804, 19776005, 39552010, 79104020]

約数ペア:

[(1, 79104020), (2, 39552010), (4, 19776005), (5, 15820804), (10, 7910402), (20, 3955201), (809, 97780), (1618, 48890), (3236, 24445), (4045, 19556), (4889, 16180), (8090, 9778)]