64125200

素因数分解:

$2^4\times 5^2\times {\mathrm{160313}}^1$

素因数の和:160331

約数の個数: 30

約数和(自身を含む): 154061754

約数和(自身を除く): 89936554

約数列:

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

約数ペア:

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