1237960040

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{289243}}^1$

素因数の和:289361

約数の個数: 32

約数和(自身を含む): 2811451680

約数和(自身を除く): 1573491640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 289243, 578486, 1156972, 1446215, 2313944, 2892430, 5784860, 11569720, 30949001, 61898002, 123796004, 154745005, 247592008, 309490010, 618980020, 1237960040]

約数ペア:

[(1, 1237960040), (2, 618980020), (4, 309490010), (5, 247592008), (8, 154745005), (10, 123796004), (20, 61898002), (40, 30949001), (107, 11569720), (214, 5784860), (428, 2892430), (535, 2313944), (856, 1446215), (1070, 1156972), (2140, 578486), (4280, 289243)]