257396203520

素因数分解:

$2^{13}\times 5^1\times {\mathrm{127}}^1\times {\mathrm{49481}}^1$

素因数の和:49639

約数の個数: 112

約数和(自身を含む): 622589649408

約数和(自身を除く): 365193445888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 1016, 1024, 1270, 1280, 2032, 2048, 2540, 2560, 4064, 4096, 5080, 5120, 8128, 8192, 10160, 10240, 16256, 20320, 20480, 32512, 40640, 40960, 49481, 65024, 81280, 98962, 130048, 162560, 197924, 247405, 260096, 325120, 395848, 494810, 520192, 650240, 791696, 989620, 1040384, 1300480, 1583392, 1979240, 2600960, 3166784, 3958480, 5201920, 6284087, 6333568, 7916960, 12568174, 12667136, 15833920, 25136348, 25334272, 31420435, 31667840, 50272696, 50668544, 62840870, 63335680, 100545392, 101337088, 125681740, 126671360, 201090784, 202674176, 251363480, 253342720, 402181568, 405348352, 502726960, 506685440, 804363136, 1005453920, 1013370880, 1608726272, 2010907840, 2026741760, 3217452544, 4021815680, 6434905088, 8043631360, 12869810176, 16087262720, 25739620352, 32174525440, 51479240704, 64349050880, 128698101760, 257396203520]

約数ペア:

[(1, 257396203520), (2, 128698101760), (4, 64349050880), (5, 51479240704), (8, 32174525440), (10, 25739620352), (16, 16087262720), (20, 12869810176), (32, 8043631360), (40, 6434905088), (64, 4021815680), (80, 3217452544), (127, 2026741760), (128, 2010907840), (160, 1608726272), (254, 1013370880), (256, 1005453920), (320, 804363136), (508, 506685440), (512, 502726960), (635, 405348352), (640, 402181568), (1016, 253342720), (1024, 251363480), (1270, 202674176), (1280, 201090784), (2032, 126671360), (2048, 125681740), (2540, 101337088), (2560, 100545392), (4064, 63335680), (4096, 62840870), (5080, 50668544), (5120, 50272696), (8128, 31667840), (8192, 31420435), (10160, 25334272), (10240, 25136348), (16256, 15833920), (20320, 12667136), (20480, 12568174), (32512, 7916960), (40640, 6333568), (40960, 6284087), (49481, 5201920), (65024, 3958480), (81280, 3166784), (98962, 2600960), (130048, 1979240), (162560, 1583392), (197924, 1300480), (247405, 1040384), (260096, 989620), (325120, 791696), (395848, 650240), (494810, 520192)]