1804840

素因数分解:

$2^3\times 5^1\times {\mathrm{45121}}^1$

素因数の和:45132

約数の個数: 16

約数和(自身を含む): 4060980

約数和(自身を除く): 2256140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 45121, 90242, 180484, 225605, 360968, 451210, 902420, 1804840]

約数ペア:

[(1, 1804840), (2, 902420), (4, 451210), (5, 360968), (8, 225605), (10, 180484), (20, 90242), (40, 45121)]