81038770

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 148060800

約数和(自身を除く): 67022030

約数列:

[1, 2, 5, 10, 193, 199, 211, 386, 398, 422, 965, 995, 1055, 1930, 1990, 2110, 38407, 40723, 41989, 76814, 81446, 83978, 192035, 203615, 209945, 384070, 407230, 419890, 8103877, 16207754, 40519385, 81038770]

約数ペア:

[(1, 81038770), (2, 40519385), (5, 16207754), (10, 8103877), (193, 419890), (199, 407230), (211, 384070), (386, 209945), (398, 203615), (422, 192035), (965, 83978), (995, 81446), (1055, 76814), (1930, 41989), (1990, 40723), (2110, 38407)]