51039820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{196307}}^1$

素因数の和:196329

約数の個数: 24

約数和(自身を含む): 115429104

約数和(自身を除く): 64389284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 196307, 392614, 785228, 981535, 1963070, 2551991, 3926140, 5103982, 10207964, 12759955, 25519910, 51039820]

約数ペア:

[(1, 51039820), (2, 25519910), (4, 12759955), (5, 10207964), (10, 5103982), (13, 3926140), (20, 2551991), (26, 1963070), (52, 981535), (65, 785228), (130, 392614), (260, 196307)]