80975060

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{66373}}^1$

素因数の和:66443

約数の個数: 24

約数和(自身を含む): 172837896

約数和(自身を除く): 91862836

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 66373, 132746, 265492, 331865, 663730, 1327460, 4048753, 8097506, 16195012, 20243765, 40487530, 80975060]

約数ペア:

[(1, 80975060), (2, 40487530), (4, 20243765), (5, 16195012), (10, 8097506), (20, 4048753), (61, 1327460), (122, 663730), (244, 331865), (305, 265492), (610, 132746), (1220, 66373)]