180775040

素因数分解:

$2^7\times 5^1\times {\mathrm{282461}}^1$

素因数の和:282480

約数の個数: 32

約数和(自身を含む): 432166860

約数和(自身を除く): 251391820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 282461, 564922, 1129844, 1412305, 2259688, 2824610, 4519376, 5649220, 9038752, 11298440, 18077504, 22596880, 36155008, 45193760, 90387520, 180775040]

約数ペア:

[(1, 180775040), (2, 90387520), (4, 45193760), (5, 36155008), (8, 22596880), (10, 18077504), (16, 11298440), (20, 9038752), (32, 5649220), (40, 4519376), (64, 2824610), (80, 2259688), (128, 1412305), (160, 1129844), (320, 564922), (640, 282461)]