79317440

素因数分解:

$2^6\times 5^1\times {\mathrm{311}}^1\times {\mathrm{797}}^1$

素因数の和:1125

約数の個数: 56

約数和(自身を含む): 189719712

約数和(自身を除く): 110402272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 311, 320, 622, 797, 1244, 1555, 1594, 2488, 3110, 3188, 3985, 4976, 6220, 6376, 7970, 9952, 12440, 12752, 15940, 19904, 24880, 25504, 31880, 49760, 51008, 63760, 99520, 127520, 247867, 255040, 495734, 991468, 1239335, 1982936, 2478670, 3965872, 4957340, 7931744, 9914680, 15863488, 19829360, 39658720, 79317440]

約数ペア:

[(1, 79317440), (2, 39658720), (4, 19829360), (5, 15863488), (8, 9914680), (10, 7931744), (16, 4957340), (20, 3965872), (32, 2478670), (40, 1982936), (64, 1239335), (80, 991468), (160, 495734), (311, 255040), (320, 247867), (622, 127520), (797, 99520), (1244, 63760), (1555, 51008), (1594, 49760), (2488, 31880), (3110, 25504), (3188, 24880), (3985, 19904), (4976, 15940), (6220, 12752), (6376, 12440), (7970, 9952)]