19756160

素因数分解:

$2^7\times 5^1\times {\mathrm{30869}}^1$

素因数の和:30888

約数の個数: 32

約数和(自身を含む): 47231100

約数和(自身を除く): 27474940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30869, 61738, 123476, 154345, 246952, 308690, 493904, 617380, 987808, 1234760, 1975616, 2469520, 3951232, 4939040, 9878080, 19756160]

約数ペア:

[(1, 19756160), (2, 9878080), (4, 4939040), (5, 3951232), (8, 2469520), (10, 1975616), (16, 1234760), (20, 987808), (32, 617380), (40, 493904), (64, 308690), (80, 246952), (128, 154345), (160, 123476), (320, 61738), (640, 30869)]