82247680

素因数分解:

$2^{16}\times 5^1\times {\mathrm{251}}^1$

素因数の和:288

約数の個数: 68

約数和(自身を含む): 198179352

約数和(自身を除く): 115931672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 256, 320, 502, 512, 640, 1004, 1024, 1255, 1280, 2008, 2048, 2510, 2560, 4016, 4096, 5020, 5120, 8032, 8192, 10040, 10240, 16064, 16384, 20080, 20480, 32128, 32768, 40160, 40960, 64256, 65536, 80320, 81920, 128512, 160640, 163840, 257024, 321280, 327680, 514048, 642560, 1028096, 1285120, 2056192, 2570240, 4112384, 5140480, 8224768, 10280960, 16449536, 20561920, 41123840, 82247680]

約数ペア:

[(1, 82247680), (2, 41123840), (4, 20561920), (5, 16449536), (8, 10280960), (10, 8224768), (16, 5140480), (20, 4112384), (32, 2570240), (40, 2056192), (64, 1285120), (80, 1028096), (128, 642560), (160, 514048), (251, 327680), (256, 321280), (320, 257024), (502, 163840), (512, 160640), (640, 128512), (1004, 81920), (1024, 80320), (1255, 65536), (1280, 64256), (2008, 40960), (2048, 40160), (2510, 32768), (2560, 32128), (4016, 20480), (4096, 20080), (5020, 16384), (5120, 16064), (8032, 10240), (8192, 10040)]