255369040

素因数分解:

$2^4\times 5^1\times {\mathrm{3192113}}^1$

素因数の和:3192126

約数の個数: 20

約数和(自身を含む): 593733204

約数和(自身を除く): 338364164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3192113, 6384226, 12768452, 15960565, 25536904, 31921130, 51073808, 63842260, 127684520, 255369040]

約数ペア:

[(1, 255369040), (2, 127684520), (4, 63842260), (5, 51073808), (8, 31921130), (10, 25536904), (16, 15960565), (20, 12768452), (40, 6384226), (80, 3192113)]