66923720

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2063}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 150837120

約数和(自身を除く): 83913400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2063, 3244, 4055, 4126, 6488, 8110, 8252, 10315, 16220, 16504, 20630, 32440, 41260, 82520, 1673093, 3346186, 6692372, 8365465, 13384744, 16730930, 33461860, 66923720]

約数ペア:

[(1, 66923720), (2, 33461860), (4, 16730930), (5, 13384744), (8, 8365465), (10, 6692372), (20, 3346186), (40, 1673093), (811, 82520), (1622, 41260), (2063, 32440), (3244, 20630), (4055, 16504), (4126, 16220), (6488, 10315), (8110, 8252)]