8512840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{30403}}^1$

素因数の和:30421

約数の個数: 32

約数和(自身を含む): 21890880

約数和(自身を除く): 13378040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 30403, 60806, 121612, 152015, 212821, 243224, 304030, 425642, 608060, 851284, 1064105, 1216120, 1702568, 2128210, 4256420, 8512840]

約数ペア:

[(1, 8512840), (2, 4256420), (4, 2128210), (5, 1702568), (7, 1216120), (8, 1064105), (10, 851284), (14, 608060), (20, 425642), (28, 304030), (35, 243224), (40, 212821), (56, 152015), (70, 121612), (140, 60806), (280, 30403)]