401180

素因数分解:

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

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 907872

約数和(自身を除く): 506692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1543, 3086, 6172, 7715, 15430, 20059, 30860, 40118, 80236, 100295, 200590, 401180]

約数ペア:

[(1, 401180), (2, 200590), (4, 100295), (5, 80236), (10, 40118), (13, 30860), (20, 20059), (26, 15430), (52, 7715), (65, 6172), (130, 3086), (260, 1543)]