72241520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69463}}^1$

素因数の和:69489

約数の個数: 40

約数和(自身を含む): 180884256

約数和(自身を除く): 108642736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69463, 138926, 277852, 347315, 555704, 694630, 903019, 1111408, 1389260, 1806038, 2778520, 3612076, 4515095, 5557040, 7224152, 9030190, 14448304, 18060380, 36120760, 72241520]

約数ペア:

[(1, 72241520), (2, 36120760), (4, 18060380), (5, 14448304), (8, 9030190), (10, 7224152), (13, 5557040), (16, 4515095), (20, 3612076), (26, 2778520), (40, 1806038), (52, 1389260), (65, 1111408), (80, 903019), (104, 694630), (130, 555704), (208, 347315), (260, 277852), (520, 138926), (1040, 69463)]