51879380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1409}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 125072640

約数和(自身を除く): 73193260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1409, 1841, 2630, 2818, 3682, 5260, 5636, 7045, 7364, 9205, 9863, 14090, 18410, 19726, 28180, 36820, 39452, 49315, 98630, 197260, 370567, 741134, 1482268, 1852835, 2593969, 3705670, 5187938, 7411340, 10375876, 12969845, 25939690, 51879380]

約数ペア:

[(1, 51879380), (2, 25939690), (4, 12969845), (5, 10375876), (7, 7411340), (10, 5187938), (14, 3705670), (20, 2593969), (28, 1852835), (35, 1482268), (70, 741134), (140, 370567), (263, 197260), (526, 98630), (1052, 49315), (1315, 39452), (1409, 36820), (1841, 28180), (2630, 19726), (2818, 18410), (3682, 14090), (5260, 9863), (5636, 9205), (7045, 7364)]