4072000

素因数分解:

$2^6\times 5^3\times {\mathrm{509}}^1$

素因数の和:536

約数の個数: 56

約数和(自身を含む): 10104120

約数和(自身を除く): 6032120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 509, 800, 1000, 1018, 1600, 2000, 2036, 2545, 4000, 4072, 5090, 8000, 8144, 10180, 12725, 16288, 20360, 25450, 32576, 40720, 50900, 63625, 81440, 101800, 127250, 162880, 203600, 254500, 407200, 509000, 814400, 1018000, 2036000, 4072000]

約数ペア:

[(1, 4072000), (2, 2036000), (4, 1018000), (5, 814400), (8, 509000), (10, 407200), (16, 254500), (20, 203600), (25, 162880), (32, 127250), (40, 101800), (50, 81440), (64, 63625), (80, 50900), (100, 40720), (125, 32576), (160, 25450), (200, 20360), (250, 16288), (320, 12725), (400, 10180), (500, 8144), (509, 8000), (800, 5090), (1000, 4072), (1018, 4000), (1600, 2545), (2000, 2036)]