140805760

素因数分解:

$2^7\times 5^1\times {\mathrm{220009}}^1$

素因数の和:220028

約数の個数: 32

約数和(自身を含む): 336615300

約数和(自身を除く): 195809540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 220009, 440018, 880036, 1100045, 1760072, 2200090, 3520144, 4400180, 7040288, 8800360, 14080576, 17600720, 28161152, 35201440, 70402880, 140805760]

約数ペア:

[(1, 140805760), (2, 70402880), (4, 35201440), (5, 28161152), (8, 17600720), (10, 14080576), (16, 8800360), (20, 7040288), (32, 4400180), (40, 3520144), (64, 2200090), (80, 1760072), (128, 1100045), (160, 880036), (320, 440018), (640, 220009)]