65144320

素因数分解:

$2^9\times 5^1\times {\mathrm{25447}}^1$

素因数の和:25470

約数の個数: 40

約数和(自身を含む): 156199824

約数和(自身を除く): 91055504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 25447, 50894, 101788, 127235, 203576, 254470, 407152, 508940, 814304, 1017880, 1628608, 2035760, 3257216, 4071520, 6514432, 8143040, 13028864, 16286080, 32572160, 65144320]

約数ペア:

[(1, 65144320), (2, 32572160), (4, 16286080), (5, 13028864), (8, 8143040), (10, 6514432), (16, 4071520), (20, 3257216), (32, 2035760), (40, 1628608), (64, 1017880), (80, 814304), (128, 508940), (160, 407152), (256, 254470), (320, 203576), (512, 127235), (640, 101788), (1280, 50894), (2560, 25447)]