18216320

素因数分解:

$2^7\times 5^1\times {\mathrm{28463}}^1$

素因数の和:28482

約数の個数: 32

約数和(自身を含む): 43549920

約数和(自身を除く): 25333600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28463, 56926, 113852, 142315, 227704, 284630, 455408, 569260, 910816, 1138520, 1821632, 2277040, 3643264, 4554080, 9108160, 18216320]

約数ペア:

[(1, 18216320), (2, 9108160), (4, 4554080), (5, 3643264), (8, 2277040), (10, 1821632), (16, 1138520), (20, 910816), (32, 569260), (40, 455408), (64, 284630), (80, 227704), (128, 142315), (160, 113852), (320, 56926), (640, 28463)]