18078576640

素因数分解:

$2^{12}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12433}}^1$

素因数の和:12533

約数の個数: 104

約数和(自身を含む): 43997858208

約数和(自身を除く): 25919281568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 640, 710, 1024, 1136, 1280, 1420, 2048, 2272, 2560, 2840, 4096, 4544, 5120, 5680, 9088, 10240, 11360, 12433, 18176, 20480, 22720, 24866, 36352, 45440, 49732, 62165, 72704, 90880, 99464, 124330, 145408, 181760, 198928, 248660, 290816, 363520, 397856, 497320, 727040, 795712, 882743, 994640, 1454080, 1591424, 1765486, 1989280, 3182848, 3530972, 3978560, 4413715, 6365696, 7061944, 7957120, 8827430, 12731392, 14123888, 15914240, 17654860, 25462784, 28247776, 31828480, 35309720, 50925568, 56495552, 63656960, 70619440, 112991104, 127313920, 141238880, 225982208, 254627840, 282477760, 451964416, 564955520, 903928832, 1129911040, 1807857664, 2259822080, 3615715328, 4519644160, 9039288320, 18078576640]

約数ペア:

[(1, 18078576640), (2, 9039288320), (4, 4519644160), (5, 3615715328), (8, 2259822080), (10, 1807857664), (16, 1129911040), (20, 903928832), (32, 564955520), (40, 451964416), (64, 282477760), (71, 254627840), (80, 225982208), (128, 141238880), (142, 127313920), (160, 112991104), (256, 70619440), (284, 63656960), (320, 56495552), (355, 50925568), (512, 35309720), (568, 31828480), (640, 28247776), (710, 25462784), (1024, 17654860), (1136, 15914240), (1280, 14123888), (1420, 12731392), (2048, 8827430), (2272, 7957120), (2560, 7061944), (2840, 6365696), (4096, 4413715), (4544, 3978560), (5120, 3530972), (5680, 3182848), (9088, 1989280), (10240, 1765486), (11360, 1591424), (12433, 1454080), (18176, 994640), (20480, 882743), (22720, 795712), (24866, 727040), (36352, 497320), (45440, 397856), (49732, 363520), (62165, 290816), (72704, 248660), (90880, 198928), (99464, 181760), (124330, 145408)]