2862013720

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{111623}}^1$

素因数の和:112275

約数の個数: 32

約数和(自身を含む): 6449634720

約数和(自身を除く): 3587621000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 111623, 223246, 446492, 558115, 892984, 1116230, 2232460, 4464920, 71550343, 143100686, 286201372, 357751715, 572402744, 715503430, 1431006860, 2862013720]

約数ペア:

[(1, 2862013720), (2, 1431006860), (4, 715503430), (5, 572402744), (8, 357751715), (10, 286201372), (20, 143100686), (40, 71550343), (641, 4464920), (1282, 2232460), (2564, 1116230), (3205, 892984), (5128, 558115), (6410, 446492), (12820, 223246), (25640, 111623)]