51313340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197359}}^1$

素因数の和:197381

約数の個数: 24

約数和(自身を含む): 116047680

約数和(自身を除く): 64734340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197359, 394718, 789436, 986795, 1973590, 2565667, 3947180, 5131334, 10262668, 12828335, 25656670, 51313340]

約数ペア:

[(1, 51313340), (2, 25656670), (4, 12828335), (5, 10262668), (10, 5131334), (13, 3947180), (20, 2565667), (26, 1973590), (52, 986795), (65, 789436), (130, 394718), (260, 197359)]