20160837940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{37643}}^1$

素因数の和:38152

約数の個数: 48

約数和(自身を含む): 43130989440

約数和(自身を除く): 22970151500

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 439, 610, 878, 1220, 1756, 2195, 4390, 8780, 26779, 37643, 53558, 75286, 107116, 133895, 150572, 188215, 267790, 376430, 535580, 752860, 2296223, 4592446, 9184892, 11481115, 16525277, 22962230, 33050554, 45924460, 66101108, 82626385, 165252770, 330505540, 1008041897, 2016083794, 4032167588, 5040209485, 10080418970, 20160837940]

約数ペア:

[(1, 20160837940), (2, 10080418970), (4, 5040209485), (5, 4032167588), (10, 2016083794), (20, 1008041897), (61, 330505540), (122, 165252770), (244, 82626385), (305, 66101108), (439, 45924460), (610, 33050554), (878, 22962230), (1220, 16525277), (1756, 11481115), (2195, 9184892), (4390, 4592446), (8780, 2296223), (26779, 752860), (37643, 535580), (53558, 376430), (75286, 267790), (107116, 188215), (133895, 150572)]