84116920

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2593}}^1$

素因数の和:3415

約数の個数: 32

約数和(自身を含む): 189569520

約数和(自身を除く): 105452600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2593, 3244, 4055, 5186, 6488, 8110, 10372, 12965, 16220, 20744, 25930, 32440, 51860, 103720, 2102923, 4205846, 8411692, 10514615, 16823384, 21029230, 42058460, 84116920]

約数ペア:

[(1, 84116920), (2, 42058460), (4, 21029230), (5, 16823384), (8, 10514615), (10, 8411692), (20, 4205846), (40, 2102923), (811, 103720), (1622, 51860), (2593, 32440), (3244, 25930), (4055, 20744), (5186, 16220), (6488, 12965), (8110, 10372)]