85041280

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1493}}^1$

素因数の和:1601

約数の個数: 64

約数和(自身を含む): 205723800

約数和(自身を除く): 120682520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1424, 1493, 1780, 2848, 2986, 3560, 5696, 5972, 7120, 7465, 11392, 11944, 14240, 14930, 23888, 28480, 29860, 47776, 56960, 59720, 95552, 119440, 132877, 191104, 238880, 265754, 477760, 531508, 664385, 955520, 1063016, 1328770, 2126032, 2657540, 4252064, 5315080, 8504128, 10630160, 17008256, 21260320, 42520640, 85041280]

約数ペア:

[(1, 85041280), (2, 42520640), (4, 21260320), (5, 17008256), (8, 10630160), (10, 8504128), (16, 5315080), (20, 4252064), (32, 2657540), (40, 2126032), (64, 1328770), (80, 1063016), (89, 955520), (128, 664385), (160, 531508), (178, 477760), (320, 265754), (356, 238880), (445, 191104), (640, 132877), (712, 119440), (890, 95552), (1424, 59720), (1493, 56960), (1780, 47776), (2848, 29860), (2986, 28480), (3560, 23888), (5696, 14930), (5972, 14240), (7120, 11944), (7465, 11392)]