145396420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{559217}}^1$

素因数の和:559239

約数の個数: 24

約数和(自身を含む): 328820184

約数和(自身を除く): 183423764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 559217, 1118434, 2236868, 2796085, 5592170, 7269821, 11184340, 14539642, 29079284, 36349105, 72698210, 145396420]

約数ペア:

[(1, 145396420), (2, 72698210), (4, 36349105), (5, 29079284), (10, 14539642), (13, 11184340), (20, 7269821), (26, 5592170), (52, 2796085), (65, 2236868), (130, 1118434), (260, 559217)]