13304726840

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{514093}}^1$

素因数の和:514751

約数の個数: 32

約数和(自身を含む): 29981962080

約数和(自身を除く): 16677235240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 12940, 25880, 514093, 1028186, 2056372, 2570465, 4112744, 5140930, 10281860, 20563720, 332618171, 665236342, 1330472684, 1663090855, 2660945368, 3326181710, 6652363420, 13304726840]

約数ペア:

[(1, 13304726840), (2, 6652363420), (4, 3326181710), (5, 2660945368), (8, 1663090855), (10, 1330472684), (20, 665236342), (40, 332618171), (647, 20563720), (1294, 10281860), (2588, 5140930), (3235, 4112744), (5176, 2570465), (6470, 2056372), (12940, 1028186), (25880, 514093)]