2005299725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{50993}}^1$

素因数の和:51038

約数の個数: 36

約数和(自身を含む): 2943475668

約数和(自身を除く): 938175943

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 275, 325, 605, 715, 1573, 3025, 3575, 7865, 39325, 50993, 254965, 560923, 662909, 1274825, 2804615, 3314545, 6170153, 7291999, 14023075, 16572725, 30850765, 36459995, 80211989, 154253825, 182299975, 401059945, 2005299725]

約数ペア:

[(1, 2005299725), (5, 401059945), (11, 182299975), (13, 154253825), (25, 80211989), (55, 36459995), (65, 30850765), (121, 16572725), (143, 14023075), (275, 7291999), (325, 6170153), (605, 3314545), (715, 2804615), (1573, 1274825), (3025, 662909), (3575, 560923), (7865, 254965), (39325, 50993)]