8955980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40709}}^1$

素因数の和:40729

約数の個数: 24

約数和(自身を含む): 20517840

約数和(自身を除く): 11561860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 40709, 81418, 162836, 203545, 407090, 447799, 814180, 895598, 1791196, 2238995, 4477990, 8955980]

約数ペア:

[(1, 8955980), (2, 4477990), (4, 2238995), (5, 1791196), (10, 895598), (11, 814180), (20, 447799), (22, 407090), (44, 203545), (55, 162836), (110, 81418), (220, 40709)]