2472920

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 5609520

約数和(自身を除く): 3136600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 293, 422, 586, 844, 1055, 1172, 1465, 1688, 2110, 2344, 2930, 4220, 5860, 8440, 11720, 61823, 123646, 247292, 309115, 494584, 618230, 1236460, 2472920]

約数ペア:

[(1, 2472920), (2, 1236460), (4, 618230), (5, 494584), (8, 309115), (10, 247292), (20, 123646), (40, 61823), (211, 11720), (293, 8440), (422, 5860), (586, 4220), (844, 2930), (1055, 2344), (1172, 2110), (1465, 1688)]