79861880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{285221}}^1$

素因数の和:285239

約数の個数: 32

約数和(自身を含む): 205359840

約数和(自身を除く): 125497960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 285221, 570442, 1140884, 1426105, 1996547, 2281768, 2852210, 3993094, 5704420, 7986188, 9982735, 11408840, 15972376, 19965470, 39930940, 79861880]

約数ペア:

[(1, 79861880), (2, 39930940), (4, 19965470), (5, 15972376), (7, 11408840), (8, 9982735), (10, 7986188), (14, 5704420), (20, 3993094), (28, 2852210), (35, 2281768), (40, 1996547), (56, 1426105), (70, 1140884), (140, 570442), (280, 285221)]