129466240

素因数分解:

$2^7\times 5^1\times {\mathrm{202291}}^1$

素因数の和:202310

約数の個数: 32

約数和(自身を含む): 309506760

約数和(自身を除く): 180040520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 202291, 404582, 809164, 1011455, 1618328, 2022910, 3236656, 4045820, 6473312, 8091640, 12946624, 16183280, 25893248, 32366560, 64733120, 129466240]

約数ペア:

[(1, 129466240), (2, 64733120), (4, 32366560), (5, 25893248), (8, 16183280), (10, 12946624), (16, 8091640), (20, 6473312), (32, 4045820), (40, 3236656), (64, 2022910), (80, 1618328), (128, 1011455), (160, 809164), (320, 404582), (640, 202291)]