7228520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13901}}^1$

素因数の和:13925

約数の個数: 32

約数和(自身を含む): 17516520

約数和(自身を除く): 10288000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 13901, 27802, 55604, 69505, 111208, 139010, 180713, 278020, 361426, 556040, 722852, 903565, 1445704, 1807130, 3614260, 7228520]

約数ペア:

[(1, 7228520), (2, 3614260), (4, 1807130), (5, 1445704), (8, 903565), (10, 722852), (13, 556040), (20, 361426), (26, 278020), (40, 180713), (52, 139010), (65, 111208), (104, 69505), (130, 55604), (260, 27802), (520, 13901)]