71327960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162109}}^1$

素因数の和:162131

約数の個数: 32

約数和(自身を含む): 175078800

約数和(自身を除く): 103750840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162109, 324218, 648436, 810545, 1296872, 1621090, 1783199, 3242180, 3566398, 6484360, 7132796, 8915995, 14265592, 17831990, 35663980, 71327960]

約数ペア:

[(1, 71327960), (2, 35663980), (4, 17831990), (5, 14265592), (8, 8915995), (10, 7132796), (11, 6484360), (20, 3566398), (22, 3242180), (40, 1783199), (44, 1621090), (55, 1296872), (88, 810545), (110, 648436), (220, 324218), (440, 162109)]