202226440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388897}}^1$

素因数の和:388921

約数の個数: 32

約数和(自身を含む): 490011480

約数和(自身を除く): 287785040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388897, 777794, 1555588, 1944485, 3111176, 3888970, 5055661, 7777940, 10111322, 15555880, 20222644, 25278305, 40445288, 50556610, 101113220, 202226440]

約数ペア:

[(1, 202226440), (2, 101113220), (4, 50556610), (5, 40445288), (8, 25278305), (10, 20222644), (13, 15555880), (20, 10111322), (26, 7777940), (40, 5055661), (52, 3888970), (65, 3111176), (104, 1944485), (130, 1555588), (260, 777794), (520, 388897)]