2215996880

素因数分解:

$2^4\times 5^1\times {\mathrm{27699961}}^1$

素因数の和:27699974

約数の個数: 20

約数和(自身を含む): 5152192932

約数和(自身を除く): 2936196052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27699961, 55399922, 110799844, 138499805, 221599688, 276999610, 443199376, 553999220, 1107998440, 2215996880]

約数ペア:

[(1, 2215996880), (2, 1107998440), (4, 553999220), (5, 443199376), (8, 276999610), (10, 221599688), (16, 138499805), (20, 110799844), (40, 55399922), (80, 27699961)]