82716160

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:511

約数の個数: 80

約数和(自身を含む): 201326400

約数和(自身を除く): 118610240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 409, 512, 632, 640, 790, 818, 1264, 1280, 1580, 1636, 2045, 2528, 2560, 3160, 3272, 4090, 5056, 6320, 6544, 8180, 10112, 12640, 13088, 16360, 20224, 25280, 26176, 32311, 32720, 40448, 50560, 52352, 64622, 65440, 101120, 104704, 129244, 130880, 161555, 202240, 209408, 258488, 261760, 323110, 516976, 523520, 646220, 1033952, 1047040, 1292440, 2067904, 2584880, 4135808, 5169760, 8271616, 10339520, 16543232, 20679040, 41358080, 82716160]

約数ペア:

[(1, 82716160), (2, 41358080), (4, 20679040), (5, 16543232), (8, 10339520), (10, 8271616), (16, 5169760), (20, 4135808), (32, 2584880), (40, 2067904), (64, 1292440), (79, 1047040), (80, 1033952), (128, 646220), (158, 523520), (160, 516976), (256, 323110), (316, 261760), (320, 258488), (395, 209408), (409, 202240), (512, 161555), (632, 130880), (640, 129244), (790, 104704), (818, 101120), (1264, 65440), (1280, 64622), (1580, 52352), (1636, 50560), (2045, 40448), (2528, 32720), (2560, 32311), (3160, 26176), (3272, 25280), (4090, 20224), (5056, 16360), (6320, 13088), (6544, 12640), (8180, 10112)]