28642360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 68014080

約数和(自身を除く): 39371720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 163, 184, 191, 230, 326, 382, 460, 652, 764, 815, 920, 955, 1304, 1528, 1630, 1910, 3260, 3749, 3820, 4393, 6520, 7498, 7640, 8786, 14996, 17572, 18745, 21965, 29992, 31133, 35144, 37490, 43930, 62266, 74980, 87860, 124532, 149960, 155665, 175720, 249064, 311330, 622660, 716059, 1245320, 1432118, 2864236, 3580295, 5728472, 7160590, 14321180, 28642360]

約数ペア:

[(1, 28642360), (2, 14321180), (4, 7160590), (5, 5728472), (8, 3580295), (10, 2864236), (20, 1432118), (23, 1245320), (40, 716059), (46, 622660), (92, 311330), (115, 249064), (163, 175720), (184, 155665), (191, 149960), (230, 124532), (326, 87860), (382, 74980), (460, 62266), (652, 43930), (764, 37490), (815, 35144), (920, 31133), (955, 29992), (1304, 21965), (1528, 18745), (1630, 17572), (1910, 14996), (3260, 8786), (3749, 7640), (3820, 7498), (4393, 6520)]