1489449320

素因数分解:

$2^3\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{22391}}^1$

素因数の和:24065

約数の個数: 32

約数和(自身を含む): 3353425920

約数和(自身を除く): 1863976600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1663, 3326, 6652, 8315, 13304, 16630, 22391, 33260, 44782, 66520, 89564, 111955, 179128, 223910, 447820, 895640, 37236233, 74472466, 148944932, 186181165, 297889864, 372362330, 744724660, 1489449320]

約数ペア:

[(1, 1489449320), (2, 744724660), (4, 372362330), (5, 297889864), (8, 186181165), (10, 148944932), (20, 74472466), (40, 37236233), (1663, 895640), (3326, 447820), (6652, 223910), (8315, 179128), (13304, 111955), (16630, 89564), (22391, 66520), (33260, 44782)]