25777280

素因数分解:

$2^7\times 5^1\times {\mathrm{40277}}^1$

素因数の和:40296

約数の個数: 32

約数和(自身を含む): 61625340

約数和(自身を除く): 35848060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 40277, 80554, 161108, 201385, 322216, 402770, 644432, 805540, 1288864, 1611080, 2577728, 3222160, 5155456, 6444320, 12888640, 25777280]

約数ペア:

[(1, 25777280), (2, 12888640), (4, 6444320), (5, 5155456), (8, 3222160), (10, 2577728), (16, 1611080), (20, 1288864), (32, 805540), (40, 644432), (64, 402770), (80, 322216), (128, 201385), (160, 161108), (320, 80554), (640, 40277)]