12974120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10463}}^1$

素因数の和:10505

約数の個数: 32

約数和(自身を含む): 30136320

約数和(自身を除く): 17162200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10463, 20926, 41852, 52315, 83704, 104630, 209260, 324353, 418520, 648706, 1297412, 1621765, 2594824, 3243530, 6487060, 12974120]

約数ペア:

[(1, 12974120), (2, 6487060), (4, 3243530), (5, 2594824), (8, 1621765), (10, 1297412), (20, 648706), (31, 418520), (40, 324353), (62, 209260), (124, 104630), (155, 83704), (248, 52315), (310, 41852), (620, 20926), (1240, 10463)]