6406720

素因数分解:

$2^6\times 5^1\times {\mathrm{20021}}^1$

素因数の和:20038

約数の個数: 28

約数和(自身を含む): 15256764

約数和(自身を除く): 8850044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 20021, 40042, 80084, 100105, 160168, 200210, 320336, 400420, 640672, 800840, 1281344, 1601680, 3203360, 6406720]

約数ペア:

[(1, 6406720), (2, 3203360), (4, 1601680), (5, 1281344), (8, 800840), (10, 640672), (16, 400420), (20, 320336), (32, 200210), (40, 160168), (64, 100105), (80, 80084), (160, 40042), (320, 20021)]