2560400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 60

約数和(自身を含む): 6354132

約数和(自身を除く): 3793732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 173, 185, 200, 296, 346, 370, 400, 592, 692, 740, 865, 925, 1384, 1480, 1730, 1850, 2768, 2960, 3460, 3700, 4325, 6401, 6920, 7400, 8650, 12802, 13840, 14800, 17300, 25604, 32005, 34600, 51208, 64010, 69200, 102416, 128020, 160025, 256040, 320050, 512080, 640100, 1280200, 2560400]

約数ペア:

[(1, 2560400), (2, 1280200), (4, 640100), (5, 512080), (8, 320050), (10, 256040), (16, 160025), (20, 128020), (25, 102416), (37, 69200), (40, 64010), (50, 51208), (74, 34600), (80, 32005), (100, 25604), (148, 17300), (173, 14800), (185, 13840), (200, 12802), (296, 8650), (346, 7400), (370, 6920), (400, 6401), (592, 4325), (692, 3700), (740, 3460), (865, 2960), (925, 2768), (1384, 1850), (1480, 1730)]