78444020

素因数分解:

$2^2\times 5^1\times {\mathrm{1567}}^1\times {\mathrm{2503}}^1$

素因数の和:4079

約数の個数: 24

約数和(自身を含む): 164903424

約数和(自身を除く): 86459404

約数列:

[1, 2, 4, 5, 10, 20, 1567, 2503, 3134, 5006, 6268, 7835, 10012, 12515, 15670, 25030, 31340, 50060, 3922201, 7844402, 15688804, 19611005, 39222010, 78444020]

約数ペア:

[(1, 78444020), (2, 39222010), (4, 19611005), (5, 15688804), (10, 7844402), (20, 3922201), (1567, 50060), (2503, 31340), (3134, 25030), (5006, 15670), (6268, 12515), (7835, 10012)]