77616640

素因数分解:

$2^9\times 5^1\times {\mathrm{30319}}^1$

素因数の和:30342

約数の個数: 40

約数和(自身を含む): 186104160

約数和(自身を除く): 108487520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 30319, 60638, 121276, 151595, 242552, 303190, 485104, 606380, 970208, 1212760, 1940416, 2425520, 3880832, 4851040, 7761664, 9702080, 15523328, 19404160, 38808320, 77616640]

約数ペア:

[(1, 77616640), (2, 38808320), (4, 19404160), (5, 15523328), (8, 9702080), (10, 7761664), (16, 4851040), (20, 3880832), (32, 2425520), (40, 1940416), (64, 1212760), (80, 970208), (128, 606380), (160, 485104), (256, 303190), (320, 242552), (512, 151595), (640, 121276), (1280, 60638), (2560, 30319)]