387704960

素因数分解:

$2^7\times 5^1\times {\mathrm{605789}}^1$

素因数の和:605808

約数の個数: 32

約数和(自身を含む): 926858700

約数和(自身を除く): 539153740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 605789, 1211578, 2423156, 3028945, 4846312, 6057890, 9692624, 12115780, 19385248, 24231560, 38770496, 48463120, 77540992, 96926240, 193852480, 387704960]

約数ペア:

[(1, 387704960), (2, 193852480), (4, 96926240), (5, 77540992), (8, 48463120), (10, 38770496), (16, 24231560), (20, 19385248), (32, 12115780), (40, 9692624), (64, 6057890), (80, 4846312), (128, 3028945), (160, 2423156), (320, 1211578), (640, 605789)]