1300100

素因数分解:

$2^2\times 5^2\times {\mathrm{13001}}^1$

素因数の和:13015

約数の個数: 18

約数和(自身を含む): 2821434

約数和(自身を除く): 1521334

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 13001, 26002, 52004, 65005, 130010, 260020, 325025, 650050, 1300100]

約数ペア:

[(1, 1300100), (2, 650050), (4, 325025), (5, 260020), (10, 130010), (20, 65005), (25, 52004), (50, 26002), (100, 13001)]