12701620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8039}}^1$

素因数の和:8127

約数の個数: 24

約数和(自身を含む): 27014400

約数和(自身を除く): 14312780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 8039, 16078, 32156, 40195, 80390, 160780, 635081, 1270162, 2540324, 3175405, 6350810, 12701620]

約数ペア:

[(1, 12701620), (2, 6350810), (4, 3175405), (5, 2540324), (10, 1270162), (20, 635081), (79, 160780), (158, 80390), (316, 40195), (395, 32156), (790, 16078), (1580, 8039)]