31523840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 88

約数和(自身を含む): 77818752

約数和(自身を除く): 46294912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 131, 160, 188, 235, 256, 262, 320, 376, 470, 512, 524, 640, 655, 752, 940, 1024, 1048, 1280, 1310, 1504, 1880, 2096, 2560, 2620, 3008, 3760, 4192, 5120, 5240, 6016, 6157, 7520, 8384, 10480, 12032, 12314, 15040, 16768, 20960, 24064, 24628, 30080, 30785, 33536, 41920, 48128, 49256, 60160, 61570, 67072, 83840, 98512, 120320, 123140, 134144, 167680, 197024, 240640, 246280, 335360, 394048, 492560, 670720, 788096, 985120, 1576192, 1970240, 3152384, 3940480, 6304768, 7880960, 15761920, 31523840]

約数ペア:

[(1, 31523840), (2, 15761920), (4, 7880960), (5, 6304768), (8, 3940480), (10, 3152384), (16, 1970240), (20, 1576192), (32, 985120), (40, 788096), (47, 670720), (64, 492560), (80, 394048), (94, 335360), (128, 246280), (131, 240640), (160, 197024), (188, 167680), (235, 134144), (256, 123140), (262, 120320), (320, 98512), (376, 83840), (470, 67072), (512, 61570), (524, 60160), (640, 49256), (655, 48128), (752, 41920), (940, 33536), (1024, 30785), (1048, 30080), (1280, 24628), (1310, 24064), (1504, 20960), (1880, 16768), (2096, 15040), (2560, 12314), (2620, 12032), (3008, 10480), (3760, 8384), (4192, 7520), (5120, 6157), (5240, 6016)]