89067640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 205286400

約数和(自身を除く): 116218760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 127, 178, 197, 254, 356, 394, 445, 508, 635, 712, 788, 890, 985, 1016, 1270, 1576, 1780, 1970, 2540, 3560, 3940, 5080, 7880, 11303, 17533, 22606, 25019, 35066, 45212, 50038, 56515, 70132, 87665, 90424, 100076, 113030, 125095, 140264, 175330, 200152, 226060, 250190, 350660, 452120, 500380, 701320, 1000760, 2226691, 4453382, 8906764, 11133455, 17813528, 22266910, 44533820, 89067640]

約数ペア:

[(1, 89067640), (2, 44533820), (4, 22266910), (5, 17813528), (8, 11133455), (10, 8906764), (20, 4453382), (40, 2226691), (89, 1000760), (127, 701320), (178, 500380), (197, 452120), (254, 350660), (356, 250190), (394, 226060), (445, 200152), (508, 175330), (635, 140264), (712, 125095), (788, 113030), (890, 100076), (985, 90424), (1016, 87665), (1270, 70132), (1576, 56515), (1780, 50038), (1970, 45212), (2540, 35066), (3560, 25019), (3940, 22606), (5080, 17533), (7880, 11303)]