5215340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1543}}^1$

素因数の和:1578

約数の個数: 36

約数和(自身を含む): 11867184

約数和(自身を除く): 6651844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1543, 1690, 3086, 3380, 6172, 7715, 15430, 20059, 30860, 40118, 80236, 100295, 200590, 260767, 401180, 521534, 1043068, 1303835, 2607670, 5215340]

約数ペア:

[(1, 5215340), (2, 2607670), (4, 1303835), (5, 1043068), (10, 521534), (13, 401180), (20, 260767), (26, 200590), (52, 100295), (65, 80236), (130, 40118), (169, 30860), (260, 20059), (338, 15430), (676, 7715), (845, 6172), (1543, 3380), (1690, 3086)]