205731320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223621}}^1$

素因数の和:223655

約数の個数: 32

約数和(自身を含む): 483023520

約数和(自身を除く): 277292200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 223621, 447242, 894484, 1118105, 1788968, 2236210, 4472420, 5143283, 8944840, 10286566, 20573132, 25716415, 41146264, 51432830, 102865660, 205731320]

約数ペア:

[(1, 205731320), (2, 102865660), (4, 51432830), (5, 41146264), (8, 25716415), (10, 20573132), (20, 10286566), (23, 8944840), (40, 5143283), (46, 4472420), (92, 2236210), (115, 1788968), (184, 1118105), (230, 894484), (460, 447242), (920, 223621)]