26489440

素因数分解:

$2^5\times 5^1\times {\mathrm{165559}}^1$

素因数の和:165574

約数の個数: 24

約数和(自身を含む): 62581680

約数和(自身を除く): 36092240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 165559, 331118, 662236, 827795, 1324472, 1655590, 2648944, 3311180, 5297888, 6622360, 13244720, 26489440]

約数ペア:

[(1, 26489440), (2, 13244720), (4, 6622360), (5, 5297888), (8, 3311180), (10, 2648944), (16, 1655590), (20, 1324472), (32, 827795), (40, 662236), (80, 331118), (160, 165559)]