16297940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 35825664

約数和(自身を除く): 19527724

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 271, 310, 388, 485, 542, 620, 970, 1084, 1355, 1940, 2710, 3007, 5420, 6014, 8401, 12028, 15035, 16802, 26287, 30070, 33604, 42005, 52574, 60140, 84010, 105148, 131435, 168020, 262870, 525740, 814897, 1629794, 3259588, 4074485, 8148970, 16297940]

約数ペア:

[(1, 16297940), (2, 8148970), (4, 4074485), (5, 3259588), (10, 1629794), (20, 814897), (31, 525740), (62, 262870), (97, 168020), (124, 131435), (155, 105148), (194, 84010), (271, 60140), (310, 52574), (388, 42005), (485, 33604), (542, 30070), (620, 26287), (970, 16802), (1084, 15035), (1355, 12028), (1940, 8401), (2710, 6014), (3007, 5420)]