202935980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{780523}}^1$

素因数の和:780545

約数の個数: 24

約数和(自身を含む): 458948112

約数和(自身を除く): 256012132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 780523, 1561046, 3122092, 3902615, 7805230, 10146799, 15610460, 20293598, 40587196, 50733995, 101467990, 202935980]

約数ペア:

[(1, 202935980), (2, 101467990), (4, 50733995), (5, 40587196), (10, 20293598), (13, 15610460), (20, 10146799), (26, 7805230), (52, 3902615), (65, 3122092), (130, 1561046), (260, 780523)]