1820871567380

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1579}}^1\times {\mathrm{113279}}^1$

素因数の和:115376

約数の個数: 48

約数和(自身を含む): 3833803008000

約数和(自身を除く): 2012931440620

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1579, 2036, 2545, 3158, 5090, 6316, 7895, 10180, 15790, 31580, 113279, 226558, 453116, 566395, 803711, 1132790, 1607422, 2265580, 3214844, 4018555, 8037110, 16074220, 57659011, 115318022, 178867541, 230636044, 288295055, 357735082, 576590110, 715470164, 894337705, 1153180220, 1788675410, 3577350820, 91043578369, 182087156738, 364174313476, 455217891845, 910435783690, 1820871567380]

約数ペア:

[(1, 1820871567380), (2, 910435783690), (4, 455217891845), (5, 364174313476), (10, 182087156738), (20, 91043578369), (509, 3577350820), (1018, 1788675410), (1579, 1153180220), (2036, 894337705), (2545, 715470164), (3158, 576590110), (5090, 357735082), (6316, 288295055), (7895, 230636044), (10180, 178867541), (15790, 115318022), (31580, 57659011), (113279, 16074220), (226558, 8037110), (453116, 4018555), (566395, 3214844), (803711, 2265580), (1132790, 1607422)]