79460840

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12653}}^1$

素因数の和:12821

約数の個数: 32

約数和(自身を含む): 179939880

約数和(自身を除く): 100479040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 12653, 25306, 50612, 63265, 101224, 126530, 253060, 506120, 1986521, 3973042, 7946084, 9932605, 15892168, 19865210, 39730420, 79460840]

約数ペア:

[(1, 79460840), (2, 39730420), (4, 19865210), (5, 15892168), (8, 9932605), (10, 7946084), (20, 3973042), (40, 1986521), (157, 506120), (314, 253060), (628, 126530), (785, 101224), (1256, 63265), (1570, 50612), (3140, 25306), (6280, 12653)]