28084880

素因数分解:

$2^4\times 5^1\times {\mathrm{351061}}^1$

素因数の和:351074

約数の個数: 20

約数和(自身を含む): 65297532

約数和(自身を除く): 37212652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 351061, 702122, 1404244, 1755305, 2808488, 3510610, 5616976, 7021220, 14042440, 28084880]

約数ペア:

[(1, 28084880), (2, 14042440), (4, 7021220), (5, 5616976), (8, 3510610), (10, 2808488), (16, 1755305), (20, 1404244), (40, 702122), (80, 351061)]