39997010

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^2$

素因数の和:506

約数の個数: 24

約数和(自身を含む): 73074636

約数和(自身を除く): 33077626

約数列:

[1, 2, 5, 10, 101, 199, 202, 398, 505, 995, 1010, 1990, 20099, 39601, 40198, 79202, 100495, 198005, 200990, 396010, 3999701, 7999402, 19998505, 39997010]

約数ペア:

[(1, 39997010), (2, 19998505), (5, 7999402), (10, 3999701), (101, 396010), (199, 200990), (202, 198005), (398, 100495), (505, 79202), (995, 40198), (1010, 39601), (1990, 20099)]