80937560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{183949}}^1$

素因数の和:183971

約数の個数: 32

約数和(自身を含む): 198666000

約数和(自身を除く): 117728440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 183949, 367898, 735796, 919745, 1471592, 1839490, 2023439, 3678980, 4046878, 7357960, 8093756, 10117195, 16187512, 20234390, 40468780, 80937560]

約数ペア:

[(1, 80937560), (2, 40468780), (4, 20234390), (5, 16187512), (8, 10117195), (10, 8093756), (11, 7357960), (20, 4046878), (22, 3678980), (40, 2023439), (44, 1839490), (55, 1471592), (88, 919745), (110, 735796), (220, 367898), (440, 183949)]