1953220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1601}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 4171608

約数和(自身を除く): 2218388

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1601, 3202, 6404, 8005, 16010, 32020, 97661, 195322, 390644, 488305, 976610, 1953220]

約数ペア:

[(1, 1953220), (2, 976610), (4, 488305), (5, 390644), (10, 195322), (20, 97661), (61, 32020), (122, 16010), (244, 8005), (305, 6404), (610, 3202), (1220, 1601)]