51961880

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4177}}^1$

素因数の和:4499

約数の個数: 32

約数和(自身を含む): 117318240

約数和(自身を除く): 65356360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 4177, 6220, 8354, 12440, 16708, 20885, 33416, 41770, 83540, 167080, 1299047, 2598094, 5196188, 6495235, 10392376, 12990470, 25980940, 51961880]

約数ペア:

[(1, 51961880), (2, 25980940), (4, 12990470), (5, 10392376), (8, 6495235), (10, 5196188), (20, 2598094), (40, 1299047), (311, 167080), (622, 83540), (1244, 41770), (1555, 33416), (2488, 20885), (3110, 16708), (4177, 12440), (6220, 8354)]