42404000

素因数分解:

$2^5\times 5^3\times {\mathrm{10601}}^1$

素因数の和:10626

約数の個数: 48

約数和(自身を含む): 104196456

約数和(自身を除く): 61792456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 10601, 21202, 42404, 53005, 84808, 106010, 169616, 212020, 265025, 339232, 424040, 530050, 848080, 1060100, 1325125, 1696160, 2120200, 2650250, 4240400, 5300500, 8480800, 10601000, 21202000, 42404000]

約数ペア:

[(1, 42404000), (2, 21202000), (4, 10601000), (5, 8480800), (8, 5300500), (10, 4240400), (16, 2650250), (20, 2120200), (25, 1696160), (32, 1325125), (40, 1060100), (50, 848080), (80, 530050), (100, 424040), (125, 339232), (160, 265025), (200, 212020), (250, 169616), (400, 106010), (500, 84808), (800, 53005), (1000, 42404), (2000, 21202), (4000, 10601)]