53991980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{385657}}^1$

素因数の和:385673

約数の個数: 24

約数和(自身を含む): 129581088

約数和(自身を除く): 75589108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 385657, 771314, 1542628, 1928285, 2699599, 3856570, 5399198, 7713140, 10798396, 13497995, 26995990, 53991980]

約数ペア:

[(1, 53991980), (2, 26995990), (4, 13497995), (5, 10798396), (7, 7713140), (10, 5399198), (14, 3856570), (20, 2699599), (28, 1928285), (35, 1542628), (70, 771314), (140, 385657)]