72127880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163927}}^1$

素因数の和:163949

約数の個数: 32

約数和(自身を含む): 177042240

約数和(自身を除く): 104914360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 163927, 327854, 655708, 819635, 1311416, 1639270, 1803197, 3278540, 3606394, 6557080, 7212788, 9015985, 14425576, 18031970, 36063940, 72127880]

約数ペア:

[(1, 72127880), (2, 36063940), (4, 18031970), (5, 14425576), (8, 9015985), (10, 7212788), (11, 6557080), (20, 3606394), (22, 3278540), (40, 1803197), (44, 1639270), (55, 1311416), (88, 819635), (110, 655708), (220, 327854), (440, 163927)]