85123840

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 206918208

約数和(自身を除く): 121794368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 584, 640, 730, 911, 1168, 1280, 1460, 1822, 2336, 2920, 3644, 4555, 4672, 5840, 7288, 9110, 9344, 11680, 14576, 18220, 18688, 23360, 29152, 36440, 46720, 58304, 66503, 72880, 93440, 116608, 133006, 145760, 233216, 266012, 291520, 332515, 532024, 583040, 665030, 1064048, 1166080, 1330060, 2128096, 2660120, 4256192, 5320240, 8512384, 10640480, 17024768, 21280960, 42561920, 85123840]

約数ペア:

[(1, 85123840), (2, 42561920), (4, 21280960), (5, 17024768), (8, 10640480), (10, 8512384), (16, 5320240), (20, 4256192), (32, 2660120), (40, 2128096), (64, 1330060), (73, 1166080), (80, 1064048), (128, 665030), (146, 583040), (160, 532024), (256, 332515), (292, 291520), (320, 266012), (365, 233216), (584, 145760), (640, 133006), (730, 116608), (911, 93440), (1168, 72880), (1280, 66503), (1460, 58304), (1822, 46720), (2336, 36440), (2920, 29152), (3644, 23360), (4555, 18688), (4672, 18220), (5840, 14576), (7288, 11680), (9110, 9344)]