142406720

素因数分解:

$2^6\times 5^1\times {\mathrm{445021}}^1$

素因数の和:445038

約数の個数: 28

約数和(自身を含む): 339106764

約数和(自身を除く): 196700044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 445021, 890042, 1780084, 2225105, 3560168, 4450210, 7120336, 8900420, 14240672, 17800840, 28481344, 35601680, 71203360, 142406720]

約数ペア:

[(1, 142406720), (2, 71203360), (4, 35601680), (5, 28481344), (8, 17800840), (10, 14240672), (16, 8900420), (20, 7120336), (32, 4450210), (40, 3560168), (64, 2225105), (80, 1780084), (160, 890042), (320, 445021)]