105123640

素因数分解:

$2^3\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{1931}}^1$

素因数の和:3303

約数の個数: 32

約数和(自身を含む): 236824560

約数和(自身を除く): 131700920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1361, 1931, 2722, 3862, 5444, 6805, 7724, 9655, 10888, 13610, 15448, 19310, 27220, 38620, 54440, 77240, 2628091, 5256182, 10512364, 13140455, 21024728, 26280910, 52561820, 105123640]

約数ペア:

[(1, 105123640), (2, 52561820), (4, 26280910), (5, 21024728), (8, 13140455), (10, 10512364), (20, 5256182), (40, 2628091), (1361, 77240), (1931, 54440), (2722, 38620), (3862, 27220), (5444, 19310), (6805, 15448), (7724, 13610), (9655, 10888)]