16879460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64921}}^1$

素因数の和:64943

約数の個数: 24

約数和(自身を含む): 38174136

約数和(自身を除く): 21294676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64921, 129842, 259684, 324605, 649210, 843973, 1298420, 1687946, 3375892, 4219865, 8439730, 16879460]

約数ペア:

[(1, 16879460), (2, 8439730), (4, 4219865), (5, 3375892), (10, 1687946), (13, 1298420), (20, 843973), (26, 649210), (52, 324605), (65, 259684), (130, 129842), (260, 64921)]