77518960

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1697}}^1$

素因数の和:2281

約数の個数: 40

約数和(自身を含む): 180653616

約数和(自身を除く): 103134656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 1697, 2284, 2855, 3394, 4568, 5710, 6788, 8485, 9136, 11420, 13576, 16970, 22840, 27152, 33940, 45680, 67880, 135760, 968987, 1937974, 3875948, 4844935, 7751896, 9689870, 15503792, 19379740, 38759480, 77518960]

約数ペア:

[(1, 77518960), (2, 38759480), (4, 19379740), (5, 15503792), (8, 9689870), (10, 7751896), (16, 4844935), (20, 3875948), (40, 1937974), (80, 968987), (571, 135760), (1142, 67880), (1697, 45680), (2284, 33940), (2855, 27152), (3394, 22840), (4568, 16970), (5710, 13576), (6788, 11420), (8485, 9136)]