680501600

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{20747}}^1$

素因数の和:20808

約数の個数: 72

約数和(自身を含む): 1701875448

約数和(自身を除く): 1021373848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 656, 800, 820, 1025, 1312, 1640, 2050, 3280, 4100, 6560, 8200, 16400, 20747, 32800, 41494, 82988, 103735, 165976, 207470, 331952, 414940, 518675, 663904, 829880, 850627, 1037350, 1659760, 1701254, 2074700, 3319520, 3402508, 4149400, 4253135, 6805016, 8298800, 8506270, 13610032, 16597600, 17012540, 21265675, 27220064, 34025080, 42531350, 68050160, 85062700, 136100320, 170125400, 340250800, 680501600]

約数ペア:

[(1, 680501600), (2, 340250800), (4, 170125400), (5, 136100320), (8, 85062700), (10, 68050160), (16, 42531350), (20, 34025080), (25, 27220064), (32, 21265675), (40, 17012540), (41, 16597600), (50, 13610032), (80, 8506270), (82, 8298800), (100, 6805016), (160, 4253135), (164, 4149400), (200, 3402508), (205, 3319520), (328, 2074700), (400, 1701254), (410, 1659760), (656, 1037350), (800, 850627), (820, 829880), (1025, 663904), (1312, 518675), (1640, 414940), (2050, 331952), (3280, 207470), (4100, 165976), (6560, 103735), (8200, 82988), (16400, 41494), (20747, 32800)]