320400005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{769}}^1\times {\mathrm{3623}}^1$

素因数の和:4420

約数の個数: 16

約数和(自身を含む): 401829120

約数和(自身を除く): 81429115

約数列:

[1, 5, 23, 115, 769, 3623, 3845, 17687, 18115, 83329, 88435, 416645, 2786087, 13930435, 64080001, 320400005]

約数ペア:

[(1, 320400005), (5, 64080001), (23, 13930435), (115, 2786087), (769, 416645), (3623, 88435), (3845, 83329), (17687, 18115)]