320411780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1232353}}^1$

素因数の和:1232375

約数の個数: 24

約数和(自身を含む): 724624152

約数和(自身を除く): 404212372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1232353, 2464706, 4929412, 6161765, 12323530, 16020589, 24647060, 32041178, 64082356, 80102945, 160205890, 320411780]

約数ペア:

[(1, 320411780), (2, 160205890), (4, 80102945), (5, 64082356), (10, 32041178), (13, 24647060), (20, 16020589), (26, 12323530), (52, 6161765), (65, 4929412), (130, 2464706), (260, 1232353)]