79112840

素因数分解:

$2^3\times 5^1\times {\mathrm{1977821}}^1$

素因数の和:1977832

約数の個数: 16

約数和(自身を含む): 178003980

約数和(自身を除く): 98891140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1977821, 3955642, 7911284, 9889105, 15822568, 19778210, 39556420, 79112840]

約数ペア:

[(1, 79112840), (2, 39556420), (4, 19778210), (5, 15822568), (8, 9889105), (10, 7911284), (20, 3955642), (40, 1977821)]