129992980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499973}}^1$

素因数の和:499995

約数の個数: 24

約数和(自身を含む): 293984712

約数和(自身を除く): 163991732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 499973, 999946, 1999892, 2499865, 4999730, 6499649, 9999460, 12999298, 25998596, 32498245, 64996490, 129992980]

約数ペア:

[(1, 129992980), (2, 64996490), (4, 32498245), (5, 25998596), (10, 12999298), (13, 9999460), (20, 6499649), (26, 4999730), (52, 2499865), (65, 1999892), (130, 999946), (260, 499973)]