8318720

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 20431824

約数和(自身を除く): 12113104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 97, 128, 134, 160, 194, 256, 268, 320, 335, 388, 485, 536, 640, 670, 776, 970, 1072, 1280, 1340, 1552, 1940, 2144, 2680, 3104, 3880, 4288, 5360, 6208, 6499, 7760, 8576, 10720, 12416, 12998, 15520, 17152, 21440, 24832, 25996, 31040, 32495, 42880, 51992, 62080, 64990, 85760, 103984, 124160, 129980, 207968, 259960, 415936, 519920, 831872, 1039840, 1663744, 2079680, 4159360, 8318720]

約数ペア:

[(1, 8318720), (2, 4159360), (4, 2079680), (5, 1663744), (8, 1039840), (10, 831872), (16, 519920), (20, 415936), (32, 259960), (40, 207968), (64, 129980), (67, 124160), (80, 103984), (97, 85760), (128, 64990), (134, 62080), (160, 51992), (194, 42880), (256, 32495), (268, 31040), (320, 25996), (335, 24832), (388, 21440), (485, 17152), (536, 15520), (640, 12998), (670, 12416), (776, 10720), (970, 8576), (1072, 7760), (1280, 6499), (1340, 6208), (1552, 5360), (1940, 4288), (2144, 3880), (2680, 3104)]