220186840

素因数分解:

$2^3\times 5^1\times {\mathrm{5504671}}^1$

素因数の和:5504682

約数の個数: 16

約数和(自身を含む): 495420480

約数和(自身を除く): 275233640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5504671, 11009342, 22018684, 27523355, 44037368, 55046710, 110093420, 220186840]

約数ペア:

[(1, 220186840), (2, 110093420), (4, 55046710), (5, 44037368), (8, 27523355), (10, 22018684), (20, 11009342), (40, 5504671)]