8345472440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2065711}}^1$

素因数の和:2065823

約数の個数: 32

約数和(自身を含む): 18963236160

約数和(自身を除く): 10617763720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 2065711, 4131422, 8262844, 10328555, 16525688, 20657110, 41314220, 82628440, 208636811, 417273622, 834547244, 1043184055, 1669094488, 2086368110, 4172736220, 8345472440]

約数ペア:

[(1, 8345472440), (2, 4172736220), (4, 2086368110), (5, 1669094488), (8, 1043184055), (10, 834547244), (20, 417273622), (40, 208636811), (101, 82628440), (202, 41314220), (404, 20657110), (505, 16525688), (808, 10328555), (1010, 8262844), (2020, 4131422), (4040, 2065711)]