68960450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{8161}}^1$

素因数の和:8199

約数の個数: 36

約数和(自身を含む): 138909078

約数和(自身を除く): 69948628

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8161, 8450, 16322, 40805, 81610, 106093, 204025, 212186, 408050, 530465, 1060930, 1379209, 2652325, 2758418, 5304650, 6896045, 13792090, 34480225, 68960450]

約数ペア:

[(1, 68960450), (2, 34480225), (5, 13792090), (10, 6896045), (13, 5304650), (25, 2758418), (26, 2652325), (50, 1379209), (65, 1060930), (130, 530465), (169, 408050), (325, 212186), (338, 204025), (650, 106093), (845, 81610), (1690, 40805), (4225, 16322), (8161, 8450)]