128250400

素因数分解:

$2^5\times 5^2\times {\mathrm{160313}}^1$

素因数の和:160333

約数の個数: 36

約数和(自身を含む): 313093242

約数和(自身を除く): 184842842

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 160313, 320626, 641252, 801565, 1282504, 1603130, 2565008, 3206260, 4007825, 5130016, 6412520, 8015650, 12825040, 16031300, 25650080, 32062600, 64125200, 128250400]

約数ペア:

[(1, 128250400), (2, 64125200), (4, 32062600), (5, 25650080), (8, 16031300), (10, 12825040), (16, 8015650), (20, 6412520), (25, 5130016), (32, 4007825), (40, 3206260), (50, 2565008), (80, 1603130), (100, 1282504), (160, 801565), (200, 641252), (400, 320626), (800, 160313)]