89793880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2293}}^1$

素因数の和:2404

約数の個数: 64

約数和(自身を含む): 222976800

約数和(自身を除く): 133182920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 2293, 3560, 3916, 4586, 4895, 7832, 9172, 9790, 11465, 18344, 19580, 22930, 25223, 39160, 45860, 50446, 91720, 100892, 126115, 201784, 204077, 252230, 408154, 504460, 816308, 1008920, 1020385, 1632616, 2040770, 2244847, 4081540, 4489694, 8163080, 8979388, 11224235, 17958776, 22448470, 44896940, 89793880]

約数ペア:

[(1, 89793880), (2, 44896940), (4, 22448470), (5, 17958776), (8, 11224235), (10, 8979388), (11, 8163080), (20, 4489694), (22, 4081540), (40, 2244847), (44, 2040770), (55, 1632616), (88, 1020385), (89, 1008920), (110, 816308), (178, 504460), (220, 408154), (356, 252230), (440, 204077), (445, 201784), (712, 126115), (890, 100892), (979, 91720), (1780, 50446), (1958, 45860), (2293, 39160), (3560, 25223), (3916, 22930), (4586, 19580), (4895, 18344), (7832, 11465), (9172, 9790)]