4007960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9109}}^1$

素因数の和:9131

約数の個数: 32

約数和(自身を含む): 9838800

約数和(自身を除く): 5830840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 9109, 18218, 36436, 45545, 72872, 91090, 100199, 182180, 200398, 364360, 400796, 500995, 801592, 1001990, 2003980, 4007960]

約数ペア:

[(1, 4007960), (2, 2003980), (4, 1001990), (5, 801592), (8, 500995), (10, 400796), (11, 364360), (20, 200398), (22, 182180), (40, 100199), (44, 91090), (55, 72872), (88, 45545), (110, 36436), (220, 18218), (440, 9109)]