66145940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15241}}^1$

素因数の和:15288

約数の個数: 48

約数和(自身を含む): 163881984

約数和(自身を除く): 97736044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 15241, 30482, 60964, 76205, 106687, 152410, 213374, 304820, 426748, 472471, 533435, 944942, 1066870, 1889884, 2133740, 2362355, 3307297, 4724710, 6614594, 9449420, 13229188, 16536485, 33072970, 66145940]

約数ペア:

[(1, 66145940), (2, 33072970), (4, 16536485), (5, 13229188), (7, 9449420), (10, 6614594), (14, 4724710), (20, 3307297), (28, 2362355), (31, 2133740), (35, 1889884), (62, 1066870), (70, 944942), (124, 533435), (140, 472471), (155, 426748), (217, 304820), (310, 213374), (434, 152410), (620, 106687), (868, 76205), (1085, 60964), (2170, 30482), (4340, 15241)]