13464320

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 32941104

約数和(自身を除く): 19476784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 157, 160, 256, 268, 314, 320, 335, 536, 628, 640, 670, 785, 1072, 1256, 1280, 1340, 1570, 2144, 2512, 2680, 3140, 4288, 5024, 5360, 6280, 8576, 10048, 10519, 10720, 12560, 17152, 20096, 21038, 21440, 25120, 40192, 42076, 42880, 50240, 52595, 84152, 85760, 100480, 105190, 168304, 200960, 210380, 336608, 420760, 673216, 841520, 1346432, 1683040, 2692864, 3366080, 6732160, 13464320]

約数ペア:

[(1, 13464320), (2, 6732160), (4, 3366080), (5, 2692864), (8, 1683040), (10, 1346432), (16, 841520), (20, 673216), (32, 420760), (40, 336608), (64, 210380), (67, 200960), (80, 168304), (128, 105190), (134, 100480), (157, 85760), (160, 84152), (256, 52595), (268, 50240), (314, 42880), (320, 42076), (335, 40192), (536, 25120), (628, 21440), (640, 21038), (670, 20096), (785, 17152), (1072, 12560), (1256, 10720), (1280, 10519), (1340, 10048), (1570, 8576), (2144, 6280), (2512, 5360), (2680, 5024), (3140, 4288)]