30482680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18587}}^1$

素因数の和:18639

約数の個数: 32

約数和(自身を含む): 70262640

約数和(自身を除く): 39779960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18587, 37174, 74348, 92935, 148696, 185870, 371740, 743480, 762067, 1524134, 3048268, 3810335, 6096536, 7620670, 15241340, 30482680]

約数ペア:

[(1, 30482680), (2, 15241340), (4, 7620670), (5, 6096536), (8, 3810335), (10, 3048268), (20, 1524134), (40, 762067), (41, 743480), (82, 371740), (164, 185870), (205, 148696), (328, 92935), (410, 74348), (820, 37174), (1640, 18587)]