123541240

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{9743}}^1$

素因数の和:10071

約数の個数: 32

約数和(自身を含む): 278873280

約数和(自身を除く): 155332040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 9743, 12680, 19486, 38972, 48715, 77944, 97430, 194860, 389720, 3088531, 6177062, 12354124, 15442655, 24708248, 30885310, 61770620, 123541240]

約数ペア:

[(1, 123541240), (2, 61770620), (4, 30885310), (5, 24708248), (8, 15442655), (10, 12354124), (20, 6177062), (40, 3088531), (317, 389720), (634, 194860), (1268, 97430), (1585, 77944), (2536, 48715), (3170, 38972), (6340, 19486), (9743, 12680)]