10400650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16001}}^1$

素因数の和:16026

約数の個数: 24

約数和(自身を含む): 20834604

約数和(自身を除く): 10433954

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 16001, 32002, 80005, 160010, 208013, 400025, 416026, 800050, 1040065, 2080130, 5200325, 10400650]

約数ペア:

[(1, 10400650), (2, 5200325), (5, 2080130), (10, 1040065), (13, 800050), (25, 416026), (26, 400025), (50, 208013), (65, 160010), (130, 80005), (325, 32002), (650, 16001)]