506682020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1948777}}^1$

素因数の和:1948799

約数の個数: 24

約数和(自身を含む): 1145881464

約数和(自身を除く): 639199444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1948777, 3897554, 7795108, 9743885, 19487770, 25334101, 38975540, 50668202, 101336404, 126670505, 253341010, 506682020]

約数ペア:

[(1, 506682020), (2, 253341010), (4, 126670505), (5, 101336404), (10, 50668202), (13, 38975540), (20, 25334101), (26, 19487770), (52, 9743885), (65, 7795108), (130, 3897554), (260, 1948777)]