200904998960

素因数分解:

$2^4\times 5^1\times {\mathrm{110909}}^1\times {\mathrm{22643}}^1$

素因数の和:133565

約数の個数: 40

約数和(自身を含む): 467128963440

約数和(自身を除く): 266223964480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 22643, 45286, 90572, 110909, 113215, 181144, 221818, 226430, 362288, 443636, 452860, 554545, 887272, 905720, 1109090, 1774544, 1811440, 2218180, 4436360, 8872720, 2511312487, 5022624974, 10045249948, 12556562435, 20090499896, 25113124870, 40180999792, 50226249740, 100452499480, 200904998960]

約数ペア:

[(1, 200904998960), (2, 100452499480), (4, 50226249740), (5, 40180999792), (8, 25113124870), (10, 20090499896), (16, 12556562435), (20, 10045249948), (40, 5022624974), (80, 2511312487), (22643, 8872720), (45286, 4436360), (90572, 2218180), (110909, 1811440), (113215, 1774544), (181144, 1109090), (221818, 905720), (226430, 887272), (362288, 554545), (443636, 452860)]