212385280

素因数分解:

$2^9\times 5^1\times {\mathrm{82963}}^1$

素因数の和:82986

約数の個数: 40

約数和(自身を含む): 509233032

約数和(自身を除く): 296847752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 82963, 165926, 331852, 414815, 663704, 829630, 1327408, 1659260, 2654816, 3318520, 5309632, 6637040, 10619264, 13274080, 21238528, 26548160, 42477056, 53096320, 106192640, 212385280]

約数ペア:

[(1, 212385280), (2, 106192640), (4, 53096320), (5, 42477056), (8, 26548160), (10, 21238528), (16, 13274080), (20, 10619264), (32, 6637040), (40, 5309632), (64, 3318520), (80, 2654816), (128, 1659260), (160, 1327408), (256, 829630), (320, 663704), (512, 414815), (640, 331852), (1280, 165926), (2560, 82963)]