30542840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{14407}}^1$

素因数の和:14471

約数の個数: 32

約数和(自身を含む): 70022880

約数和(自身を除く): 39480040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 14407, 28814, 57628, 72035, 115256, 144070, 288140, 576280, 763571, 1527142, 3054284, 3817855, 6108568, 7635710, 15271420, 30542840]

約数ペア:

[(1, 30542840), (2, 15271420), (4, 7635710), (5, 6108568), (8, 3817855), (10, 3054284), (20, 1527142), (40, 763571), (53, 576280), (106, 288140), (212, 144070), (265, 115256), (424, 72035), (530, 57628), (1060, 28814), (2120, 14407)]