31221440

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2269}}^1$

素因数の和:2329

約数の個数: 56

約数和(自身を含む): 76108560

約数和(自身を除く): 44887120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2269, 2752, 3440, 4538, 6880, 9076, 11345, 13760, 18152, 22690, 36304, 45380, 72608, 90760, 97567, 145216, 181520, 195134, 363040, 390268, 487835, 726080, 780536, 975670, 1561072, 1951340, 3122144, 3902680, 6244288, 7805360, 15610720, 31221440]

約数ペア:

[(1, 31221440), (2, 15610720), (4, 7805360), (5, 6244288), (8, 3902680), (10, 3122144), (16, 1951340), (20, 1561072), (32, 975670), (40, 780536), (43, 726080), (64, 487835), (80, 390268), (86, 363040), (160, 195134), (172, 181520), (215, 145216), (320, 97567), (344, 90760), (430, 72608), (688, 45380), (860, 36304), (1376, 22690), (1720, 18152), (2269, 13760), (2752, 11345), (3440, 9076), (4538, 6880)]