28932020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 65856000

約数和(自身を除く): 36923980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 499, 892, 998, 1115, 1996, 2230, 2495, 2899, 4460, 4990, 5798, 6487, 9980, 11596, 12974, 14495, 25948, 28990, 32435, 57980, 64870, 111277, 129740, 222554, 445108, 556385, 1112770, 1446601, 2225540, 2893202, 5786404, 7233005, 14466010, 28932020]

約数ペア:

[(1, 28932020), (2, 14466010), (4, 7233005), (5, 5786404), (10, 2893202), (13, 2225540), (20, 1446601), (26, 1112770), (52, 556385), (65, 445108), (130, 222554), (223, 129740), (260, 111277), (446, 64870), (499, 57980), (892, 32435), (998, 28990), (1115, 25948), (1996, 14495), (2230, 12974), (2495, 11596), (2899, 9980), (4460, 6487), (4990, 5798)]