85664780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{593}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 186810624

約数和(自身を除く): 101145844

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 233, 310, 466, 593, 620, 932, 1165, 1186, 2330, 2372, 2965, 4660, 5930, 7223, 11860, 14446, 18383, 28892, 36115, 36766, 72230, 73532, 91915, 138169, 144460, 183830, 276338, 367660, 552676, 690845, 1381690, 2763380, 4283239, 8566478, 17132956, 21416195, 42832390, 85664780]

約数ペア:

[(1, 85664780), (2, 42832390), (4, 21416195), (5, 17132956), (10, 8566478), (20, 4283239), (31, 2763380), (62, 1381690), (124, 690845), (155, 552676), (233, 367660), (310, 276338), (466, 183830), (593, 144460), (620, 138169), (932, 91915), (1165, 73532), (1186, 72230), (2330, 36766), (2372, 36115), (2965, 28892), (4660, 18383), (5930, 14446), (7223, 11860)]