9101440

素因数分解:

$2^7\times 5^1\times {\mathrm{14221}}^1$

素因数の和:14240

約数の個数: 32

約数和(自身を含む): 21759660

約数和(自身を除く): 12658220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 14221, 28442, 56884, 71105, 113768, 142210, 227536, 284420, 455072, 568840, 910144, 1137680, 1820288, 2275360, 4550720, 9101440]

約数ペア:

[(1, 9101440), (2, 4550720), (4, 2275360), (5, 1820288), (8, 1137680), (10, 910144), (16, 568840), (20, 455072), (32, 284420), (40, 227536), (64, 142210), (80, 113768), (128, 71105), (160, 56884), (320, 28442), (640, 14221)]