4472840

素因数分解:

$2^3\times 5^1\times {\mathrm{111821}}^1$

素因数の和:111832

約数の個数: 16

約数和(自身を含む): 10063980

約数和(自身を除く): 5591140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 111821, 223642, 447284, 559105, 894568, 1118210, 2236420, 4472840]

約数ペア:

[(1, 4472840), (2, 2236420), (4, 1118210), (5, 894568), (8, 559105), (10, 447284), (20, 223642), (40, 111821)]