25501600

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:398

約数の個数: 72

約数和(自身を含む): 62995968

約数和(自身を除く): 37494368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 251, 254, 400, 502, 508, 635, 800, 1004, 1016, 1255, 1270, 2008, 2032, 2510, 2540, 3175, 4016, 4064, 5020, 5080, 6275, 6350, 8032, 10040, 10160, 12550, 12700, 20080, 20320, 25100, 25400, 31877, 40160, 50200, 50800, 63754, 100400, 101600, 127508, 159385, 200800, 255016, 318770, 510032, 637540, 796925, 1020064, 1275080, 1593850, 2550160, 3187700, 5100320, 6375400, 12750800, 25501600]

約数ペア:

[(1, 25501600), (2, 12750800), (4, 6375400), (5, 5100320), (8, 3187700), (10, 2550160), (16, 1593850), (20, 1275080), (25, 1020064), (32, 796925), (40, 637540), (50, 510032), (80, 318770), (100, 255016), (127, 200800), (160, 159385), (200, 127508), (251, 101600), (254, 100400), (400, 63754), (502, 50800), (508, 50200), (635, 40160), (800, 31877), (1004, 25400), (1016, 25100), (1255, 20320), (1270, 20080), (2008, 12700), (2032, 12550), (2510, 10160), (2540, 10040), (3175, 8032), (4016, 6350), (4064, 6275), (5020, 5080)]