63644620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244787}}^1$

素因数の和:244809

約数の個数: 24

約数和(自身を含む): 143935344

約数和(自身を除く): 80290724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 244787, 489574, 979148, 1223935, 2447870, 3182231, 4895740, 6364462, 12728924, 15911155, 31822310, 63644620]

約数ペア:

[(1, 63644620), (2, 31822310), (4, 15911155), (5, 12728924), (10, 6364462), (13, 4895740), (20, 3182231), (26, 2447870), (52, 1223935), (65, 979148), (130, 489574), (260, 244787)]