85819780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1427}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 188084736

約数和(自身を除く): 102264956

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1427, 1940, 2854, 3007, 5708, 6014, 7135, 12028, 14270, 15035, 28540, 30070, 44237, 60140, 88474, 138419, 176948, 221185, 276838, 442370, 553676, 692095, 884740, 1384190, 2768380, 4290989, 8581978, 17163956, 21454945, 42909890, 85819780]

約数ペア:

[(1, 85819780), (2, 42909890), (4, 21454945), (5, 17163956), (10, 8581978), (20, 4290989), (31, 2768380), (62, 1384190), (97, 884740), (124, 692095), (155, 553676), (194, 442370), (310, 276838), (388, 221185), (485, 176948), (620, 138419), (970, 88474), (1427, 60140), (1940, 44237), (2854, 30070), (3007, 28540), (5708, 15035), (6014, 14270), (7135, 12028)]