1213319680

素因数分解:

$2^9\times 5^1\times {\mathrm{473953}}^1$

素因数の和:473976

約数の個数: 40

約数和(自身を含む): 2909129652

約数和(自身を除く): 1695809972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 473953, 947906, 1895812, 2369765, 3791624, 4739530, 7583248, 9479060, 15166496, 18958120, 30332992, 37916240, 60665984, 75832480, 121331968, 151664960, 242663936, 303329920, 606659840, 1213319680]

約数ペア:

[(1, 1213319680), (2, 606659840), (4, 303329920), (5, 242663936), (8, 151664960), (10, 121331968), (16, 75832480), (20, 60665984), (32, 37916240), (40, 30332992), (64, 18958120), (80, 15166496), (128, 9479060), (160, 7583248), (256, 4739530), (320, 3791624), (512, 2369765), (640, 1895812), (1280, 947906), (2560, 473953)]