28364480

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:801

約数の個数: 56

約数和(自身を含む): 68141088

約数和(自身を除く): 39776608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 647, 685, 1096, 1294, 1370, 2192, 2588, 2740, 3235, 4384, 5176, 5480, 6470, 8768, 10352, 10960, 12940, 20704, 21920, 25880, 41408, 43840, 51760, 88639, 103520, 177278, 207040, 354556, 443195, 709112, 886390, 1418224, 1772780, 2836448, 3545560, 5672896, 7091120, 14182240, 28364480]

約数ペア:

[(1, 28364480), (2, 14182240), (4, 7091120), (5, 5672896), (8, 3545560), (10, 2836448), (16, 1772780), (20, 1418224), (32, 886390), (40, 709112), (64, 443195), (80, 354556), (137, 207040), (160, 177278), (274, 103520), (320, 88639), (548, 51760), (647, 43840), (685, 41408), (1096, 25880), (1294, 21920), (1370, 20704), (2192, 12940), (2588, 10960), (2740, 10352), (3235, 8768), (4384, 6470), (5176, 5480)]