22115680

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{499}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 52542000

約数和(自身を除く): 30426320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 499, 554, 998, 1108, 1385, 1996, 2216, 2495, 2770, 3992, 4432, 4990, 5540, 7984, 8864, 9980, 11080, 15968, 19960, 22160, 39920, 44320, 79840, 138223, 276446, 552892, 691115, 1105784, 1382230, 2211568, 2764460, 4423136, 5528920, 11057840, 22115680]

約数ペア:

[(1, 22115680), (2, 11057840), (4, 5528920), (5, 4423136), (8, 2764460), (10, 2211568), (16, 1382230), (20, 1105784), (32, 691115), (40, 552892), (80, 276446), (160, 138223), (277, 79840), (499, 44320), (554, 39920), (998, 22160), (1108, 19960), (1385, 15968), (1996, 11080), (2216, 9980), (2495, 8864), (2770, 7984), (3992, 5540), (4432, 4990)]