4449680

素因数分解:

$2^4\times 5^1\times {\mathrm{55621}}^1$

素因数の和:55634

約数の個数: 20

約数和(自身を含む): 10345692

約数和(自身を除く): 5896012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 55621, 111242, 222484, 278105, 444968, 556210, 889936, 1112420, 2224840, 4449680]

約数ペア:

[(1, 4449680), (2, 2224840), (4, 1112420), (5, 889936), (8, 556210), (10, 444968), (16, 278105), (20, 222484), (40, 111242), (80, 55621)]