109639280

素因数分解:

$2^4\times 5^1\times {\mathrm{1370491}}^1$

素因数の和:1370504

約数の個数: 20

約数和(自身を含む): 254911512

約数和(自身を除く): 145272232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1370491, 2740982, 5481964, 6852455, 10963928, 13704910, 21927856, 27409820, 54819640, 109639280]

約数ペア:

[(1, 109639280), (2, 54819640), (4, 27409820), (5, 21927856), (8, 13704910), (10, 10963928), (16, 6852455), (20, 5481964), (40, 2740982), (80, 1370491)]