206369920

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2539}}^1$

素因数の和:2685

約数の個数: 64

約数和(自身を含む): 497433600

約数和(自身を除く): 291063680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2539, 2540, 4064, 5078, 5080, 8128, 10156, 10160, 12695, 16256, 20312, 20320, 25390, 40624, 40640, 50780, 81248, 81280, 101560, 162496, 203120, 322453, 324992, 406240, 644906, 812480, 1289812, 1612265, 1624960, 2579624, 3224530, 5159248, 6449060, 10318496, 12898120, 20636992, 25796240, 41273984, 51592480, 103184960, 206369920]

約数ペア:

[(1, 206369920), (2, 103184960), (4, 51592480), (5, 41273984), (8, 25796240), (10, 20636992), (16, 12898120), (20, 10318496), (32, 6449060), (40, 5159248), (64, 3224530), (80, 2579624), (127, 1624960), (128, 1612265), (160, 1289812), (254, 812480), (320, 644906), (508, 406240), (635, 324992), (640, 322453), (1016, 203120), (1270, 162496), (2032, 101560), (2539, 81280), (2540, 81248), (4064, 50780), (5078, 40640), (5080, 40624), (8128, 25390), (10156, 20320), (10160, 20312), (12695, 16256)]