30704840

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4241}}^1$

素因数の和:4433

約数の個数: 32

約数和(自身を含む): 69483960

約数和(自身を除く): 38779120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 4241, 7240, 8482, 16964, 21205, 33928, 42410, 84820, 169640, 767621, 1535242, 3070484, 3838105, 6140968, 7676210, 15352420, 30704840]

約数ペア:

[(1, 30704840), (2, 15352420), (4, 7676210), (5, 6140968), (8, 3838105), (10, 3070484), (20, 1535242), (40, 767621), (181, 169640), (362, 84820), (724, 42410), (905, 33928), (1448, 21205), (1810, 16964), (3620, 8482), (4241, 7240)]