22566640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 55442880

約数和(自身を除く): 32876240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 80, 116, 137, 142, 145, 232, 274, 284, 290, 355, 464, 548, 568, 580, 685, 710, 1096, 1136, 1160, 1370, 1420, 2059, 2192, 2320, 2740, 2840, 3973, 4118, 5480, 5680, 7946, 8236, 9727, 10295, 10960, 15892, 16472, 19454, 19865, 20590, 31784, 32944, 38908, 39730, 41180, 48635, 63568, 77816, 79460, 82360, 97270, 155632, 158920, 164720, 194540, 282083, 317840, 389080, 564166, 778160, 1128332, 1410415, 2256664, 2820830, 4513328, 5641660, 11283320, 22566640]

約数ペア:

[(1, 22566640), (2, 11283320), (4, 5641660), (5, 4513328), (8, 2820830), (10, 2256664), (16, 1410415), (20, 1128332), (29, 778160), (40, 564166), (58, 389080), (71, 317840), (80, 282083), (116, 194540), (137, 164720), (142, 158920), (145, 155632), (232, 97270), (274, 82360), (284, 79460), (290, 77816), (355, 63568), (464, 48635), (548, 41180), (568, 39730), (580, 38908), (685, 32944), (710, 31784), (1096, 20590), (1136, 19865), (1160, 19454), (1370, 16472), (1420, 15892), (2059, 10960), (2192, 10295), (2320, 9727), (2740, 8236), (2840, 7946), (3973, 5680), (4118, 5480)]