206511680

素因数分解:

$2^6\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1283}}^1$

素因数の和:1803

約数の個数: 56

約数和(自身を含む): 493117632

約数和(自身を除く): 286605952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 503, 1006, 1283, 2012, 2515, 2566, 4024, 5030, 5132, 6415, 8048, 10060, 10264, 12830, 16096, 20120, 20528, 25660, 32192, 40240, 41056, 51320, 80480, 82112, 102640, 160960, 205280, 410560, 645349, 1290698, 2581396, 3226745, 5162792, 6453490, 10325584, 12906980, 20651168, 25813960, 41302336, 51627920, 103255840, 206511680]

約数ペア:

[(1, 206511680), (2, 103255840), (4, 51627920), (5, 41302336), (8, 25813960), (10, 20651168), (16, 12906980), (20, 10325584), (32, 6453490), (40, 5162792), (64, 3226745), (80, 2581396), (160, 1290698), (320, 645349), (503, 410560), (1006, 205280), (1283, 160960), (2012, 102640), (2515, 82112), (2566, 80480), (4024, 51320), (5030, 41056), (5132, 40240), (6415, 32192), (8048, 25660), (10060, 20528), (10264, 20120), (12830, 16096)]