77441680

素因数分解:

$2^4\times 5^1\times {\mathrm{968021}}^1$

素因数の和:968034

約数の個数: 20

約数和(自身を含む): 180052092

約数和(自身を除く): 102610412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 968021, 1936042, 3872084, 4840105, 7744168, 9680210, 15488336, 19360420, 38720840, 77441680]

約数ペア:

[(1, 77441680), (2, 38720840), (4, 19360420), (5, 15488336), (8, 9680210), (10, 7744168), (16, 4840105), (20, 3872084), (40, 1936042), (80, 968021)]