13939840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 34810560

約数和(自身を除く): 20870720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 947, 1472, 1840, 1894, 2944, 3680, 3788, 4735, 7360, 7576, 9470, 14720, 15152, 18940, 21781, 30304, 37880, 43562, 60608, 75760, 87124, 108905, 121216, 151520, 174248, 217810, 303040, 348496, 435620, 606080, 696992, 871240, 1393984, 1742480, 2787968, 3484960, 6969920, 13939840]

約数ペア:

[(1, 13939840), (2, 6969920), (4, 3484960), (5, 2787968), (8, 1742480), (10, 1393984), (16, 871240), (20, 696992), (23, 606080), (32, 435620), (40, 348496), (46, 303040), (64, 217810), (80, 174248), (92, 151520), (115, 121216), (128, 108905), (160, 87124), (184, 75760), (230, 60608), (320, 43562), (368, 37880), (460, 30304), (640, 21781), (736, 18940), (920, 15152), (947, 14720), (1472, 9470), (1840, 7576), (1894, 7360), (2944, 4735), (3680, 3788)]