64158160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72907}}^1$

素因数の和:72931

約数の個数: 40

約数和(自身を含む): 162730656

約数和(自身を除く): 98572496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 72907, 145814, 291628, 364535, 583256, 729070, 801977, 1166512, 1458140, 1603954, 2916280, 3207908, 4009885, 5832560, 6415816, 8019770, 12831632, 16039540, 32079080, 64158160]

約数ペア:

[(1, 64158160), (2, 32079080), (4, 16039540), (5, 12831632), (8, 8019770), (10, 6415816), (11, 5832560), (16, 4009885), (20, 3207908), (22, 2916280), (40, 1603954), (44, 1458140), (55, 1166512), (80, 801977), (88, 729070), (110, 583256), (176, 364535), (220, 291628), (440, 145814), (880, 72907)]