66333560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87281}}^1$

素因数の和:87311

約数の個数: 32

約数和(自身を含む): 157107600

約数和(自身を除く): 90774040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 87281, 174562, 349124, 436405, 698248, 872810, 1658339, 1745620, 3316678, 3491240, 6633356, 8291695, 13266712, 16583390, 33166780, 66333560]

約数ペア:

[(1, 66333560), (2, 33166780), (4, 16583390), (5, 13266712), (8, 8291695), (10, 6633356), (19, 3491240), (20, 3316678), (38, 1745620), (40, 1658339), (76, 872810), (95, 698248), (152, 436405), (190, 349124), (380, 174562), (760, 87281)]