168608680

素因数分解:

$2^3\times 5^1\times {\mathrm{4215217}}^1$

素因数の和:4215228

約数の個数: 16

約数和(自身を含む): 379369620

約数和(自身を除く): 210760940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4215217, 8430434, 16860868, 21076085, 33721736, 42152170, 84304340, 168608680]

約数ペア:

[(1, 168608680), (2, 84304340), (4, 42152170), (5, 33721736), (8, 21076085), (10, 16860868), (20, 8430434), (40, 4215217)]