66658160

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1697}}^1$

素因数の和:2201

約数の個数: 40

約数和(自身を含む): 155387376

約数和(自身を除く): 88729216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1697, 1964, 2455, 3394, 3928, 4910, 6788, 7856, 8485, 9820, 13576, 16970, 19640, 27152, 33940, 39280, 67880, 135760, 833227, 1666454, 3332908, 4166135, 6665816, 8332270, 13331632, 16664540, 33329080, 66658160]

約数ペア:

[(1, 66658160), (2, 33329080), (4, 16664540), (5, 13331632), (8, 8332270), (10, 6665816), (16, 4166135), (20, 3332908), (40, 1666454), (80, 833227), (491, 135760), (982, 67880), (1697, 39280), (1964, 33940), (2455, 27152), (3394, 19640), (3928, 16970), (4910, 13576), (6788, 9820), (7856, 8485)]