202123520

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8311}}^1$

素因数の和:8351

約数の個数: 72

約数和(自身を含む): 509691840

約数和(自身を除く): 307568320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 8311, 12160, 16622, 24320, 33244, 41555, 66488, 83110, 132976, 157909, 166220, 265952, 315818, 332440, 531904, 631636, 664880, 789545, 1063808, 1263272, 1329760, 1579090, 2127616, 2526544, 2659520, 3158180, 5053088, 5319040, 6316360, 10106176, 10638080, 12632720, 20212352, 25265440, 40424704, 50530880, 101061760, 202123520]

約数ペア:

[(1, 202123520), (2, 101061760), (4, 50530880), (5, 40424704), (8, 25265440), (10, 20212352), (16, 12632720), (19, 10638080), (20, 10106176), (32, 6316360), (38, 5319040), (40, 5053088), (64, 3158180), (76, 2659520), (80, 2526544), (95, 2127616), (128, 1579090), (152, 1329760), (160, 1263272), (190, 1063808), (256, 789545), (304, 664880), (320, 631636), (380, 531904), (608, 332440), (640, 315818), (760, 265952), (1216, 166220), (1280, 157909), (1520, 132976), (2432, 83110), (3040, 66488), (4864, 41555), (6080, 33244), (8311, 24320), (12160, 16622)]