404382080

素因数分解:

$2^7\times 5^1\times {\mathrm{631847}}^1$

素因数の和:631866

約数の個数: 32

約数和(自身を含む): 966727440

約数和(自身を除く): 562345360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 631847, 1263694, 2527388, 3159235, 5054776, 6318470, 10109552, 12636940, 20219104, 25273880, 40438208, 50547760, 80876416, 101095520, 202191040, 404382080]

約数ペア:

[(1, 404382080), (2, 202191040), (4, 101095520), (5, 80876416), (8, 50547760), (10, 40438208), (16, 25273880), (20, 20219104), (32, 12636940), (40, 10109552), (64, 6318470), (80, 5054776), (128, 3159235), (160, 2527388), (320, 1263694), (640, 631847)]