51714400

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:656

約数の個数: 72

約数和(自身を含む): 127491840

約数和(自身を除く): 75777440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 509, 635, 800, 1016, 1018, 1270, 2032, 2036, 2540, 2545, 3175, 4064, 4072, 5080, 5090, 6350, 8144, 10160, 10180, 12700, 12725, 16288, 20320, 20360, 25400, 25450, 40720, 50800, 50900, 64643, 81440, 101600, 101800, 129286, 203600, 258572, 323215, 407200, 517144, 646430, 1034288, 1292860, 1616075, 2068576, 2585720, 3232150, 5171440, 6464300, 10342880, 12928600, 25857200, 51714400]

約数ペア:

[(1, 51714400), (2, 25857200), (4, 12928600), (5, 10342880), (8, 6464300), (10, 5171440), (16, 3232150), (20, 2585720), (25, 2068576), (32, 1616075), (40, 1292860), (50, 1034288), (80, 646430), (100, 517144), (127, 407200), (160, 323215), (200, 258572), (254, 203600), (400, 129286), (508, 101800), (509, 101600), (635, 81440), (800, 64643), (1016, 50900), (1018, 50800), (1270, 40720), (2032, 25450), (2036, 25400), (2540, 20360), (2545, 20320), (3175, 16288), (4064, 12725), (4072, 12700), (5080, 10180), (5090, 10160), (6350, 8144)]