55417240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33791}}^1$

素因数の和:33843

約数の個数: 32

約数和(自身を含む): 127733760

約数和(自身を除く): 72316520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 33791, 67582, 135164, 168955, 270328, 337910, 675820, 1351640, 1385431, 2770862, 5541724, 6927155, 11083448, 13854310, 27708620, 55417240]

約数ペア:

[(1, 55417240), (2, 27708620), (4, 13854310), (5, 11083448), (8, 6927155), (10, 5541724), (20, 2770862), (40, 1385431), (41, 1351640), (82, 675820), (164, 337910), (205, 270328), (328, 168955), (410, 135164), (820, 67582), (1640, 33791)]