1218960640

素因数分解:

$2^8\times 5^1\times {\mathrm{952313}}^1$

素因数の和:952334

約数の個数: 36

約数和(自身を含む): 2919794724

約数和(自身を除く): 1700834084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 952313, 1904626, 3809252, 4761565, 7618504, 9523130, 15237008, 19046260, 30474016, 38092520, 60948032, 76185040, 121896064, 152370080, 243792128, 304740160, 609480320, 1218960640]

約数ペア:

[(1, 1218960640), (2, 609480320), (4, 304740160), (5, 243792128), (8, 152370080), (10, 121896064), (16, 76185040), (20, 60948032), (32, 38092520), (40, 30474016), (64, 19046260), (80, 15237008), (128, 9523130), (160, 7618504), (256, 4761565), (320, 3809252), (640, 1904626), (1280, 952313)]